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Sample questions:	Additional Chemistry questions:
Why is it a bad idea to freeze water in a plastic container [Popularity 281] See question What safety rules should be followed in a science laboratory [Popularity 217] See question	Additional Chemistry Questions [Page 1]
What are some examples of chemical and physical changes [Popularity 45] See question What are the major groups of organic compounds [Popularity 45] See question	Additional Chemistry Questions [Page 2]
How do hydrogen bonds affect heat capacity [Popularity 32] See question Why is stainless steel better than iron for certain products [Popularity 32] See question	Additional Chemistry Questions [Page 3]
What are the balanced chemical equations of breathing [Popularity 28] See question How many neutrons are in a hydrogen atom [Popularity 28] See question	Additional Chemistry Questions [Page 4]
What is the electron configuration of strontium [Popularity 26] See question What is the molecular formula of butter [Popularity 26] See question	Additional Chemistry Questions [Page 5]
What is the full form of laser [Popularity 24] See question When does limewater fizz [Popularity 24] See question	Additional Chemistry Questions [Page 6]
If a 5.00 g piece of copper is placed in a solution of silver nitrate in which there is excess... [Popularity 23] See question On the technetium periodic table why is its relative atomic mass usually in brackets [Popularity 23] See question	Additional Chemistry Questions [Page 7]
Can muriatic acid be used in pvc pipes [Popularity 22] See question Why are two atoms of group IA and one atom of group IIA needed to react with carbonate [Popularity 22] See question	Additional Chemistry Questions [Page 8]
What is brass made of [Popularity 21] See question Why leaves are green [Popularity 21] See question	Additional Chemistry Questions [Page 9]
What is the structures of ionic crystal type AB [Popularity 20] See question When are non-polar covalent bonds formed [Popularity 20] See question	Additional Chemistry Questions [Page 10]
Contrast ionization energy and electron affinity [Popularity 19] See question Where is scandium found [Popularity 19] See question	Additional Chemistry Questions [Page 11]
What does alkaline mean [Popularity 19] See question Are the air pollutants homogeneous or heterogeneous [Popularity 19] See question	Additional Chemistry Questions [Page 12]
What is steel passivation [Popularity 18] See question Is molding of plastic into toys a chemical change [Popularity 18] See question	Additional Chemistry Questions [Page 13]
How long has there been acid rain [Popularity 18] See question How much capacity in ECU does the Olin Corp Augusta Georgia chlor-alkali plant have annually [Popularity 18] See question	Additional Chemistry Questions [Page 14]
What is meant by dilution [Popularity 17] See question Which element changes to gas state from solid state on heating [Popularity 17] See question	Additional Chemistry Questions [Page 15]
If an imaginary compound has a formula of X4Y3 then how many electrons are in the outer shell of... [Popularity 17] See question How long does it take for iron to rust [Popularity 17] See question	Additional Chemistry Questions [Page 16]
How does the equivalence point of a titration differ from its end point [Popularity 17] See question Does a given mass of a substance weigh less when it is gaseous compared to when it is liquid [Popularity 17] See question	Additional Chemistry Questions [Page 17]
What is the molecular formula of soap [Popularity 16] See question What did james chadwick discover [Popularity 16] See question	Additional Chemistry Questions [Page 18]
A sample thought to be pure lead occupies a volume of 15.0 mi.and has a mass of 160.0g.determine... [Popularity 16] See question What is mass spectrometry [Popularity 16] See question	Additional Chemistry Questions [Page 19]
What is the potential of pseudomonas aeruginosa in the degradation of hydrocarbons in crude oil [Popularity 16] See question What color is water [Popularity 16] See question	Additional Chemistry Questions [Page 20]
The pressure of an enclosed gas depends on what [Popularity 15] See question What is Asbestos make up [Popularity 15] See question	Additional Chemistry Questions [Page 21]
How do you properly dilute a base [Popularity 15] See question What does Titanium mean [Popularity 15] See question	Additional Chemistry Questions [Page 22]
What is the chemical formula for beach sand [Popularity 15] See question What is wood alcohol used for [Popularity 15] See question	Additional Chemistry Questions [Page 23]
Where can you buy lye [Popularity 15] See question What does electrical conductivity mean [Popularity 15] See question	Additional Chemistry Questions [Page 24]
What is a flame test [Popularity 15] See question What is a metallic element [Popularity 15] See question	Additional Chemistry Questions [Page 25]
Is helium magnetic [Popularity 14] See question What elements does sugar have in it [Popularity 14] See question	Additional Chemistry Questions [Page 26]
Nitrate reduction test what does the presence of gas indicate [Popularity 14] See question How do you convert kinetic energy into electrical energy [Popularity 14] See question	Additional Chemistry Questions [Page 27]
How do you check transformer oil thermal stability [Popularity 14] See question How much concrete is needed to block gamma radiation [Popularity 14] See question	Additional Chemistry Questions [Page 28]
What solvent is calcium alginate soluble in [Popularity 14] See question What functional group is common to all alcohols [Popularity 14] See question	Additional Chemistry Questions [Page 29]
What is the formula of oleic acid [Popularity 14] See question What precautions should be taken with uric acid [Popularity 14] See question	Additional Chemistry Questions [Page 30]
Why does water have surface tension [Popularity 14] See question What electromagnetic has the greatest energy level [Popularity 14] See question	Additional Chemistry Questions [Page 31]
If a drop of blood has a volume of 0.05mL how many drops of blood are in an adult with 9 pints of... [Popularity 13] See question Hybridization of H2CO3 carbonic acid [Popularity 13] See question	Additional Chemistry Questions [Page 32]
What is the molecular and word equation of Magnesium and Sodium Hydroxide [Popularity 13] See question What are plastic knives made out of [Popularity 13] See question	Additional Chemistry Questions [Page 33]
What is an electrically charged atom called [Popularity 13] See question What are some examples of non-metals [Popularity 13] See question	Additional Chemistry Questions [Page 34]
If you melt 1 kg of lead will it still weigh the same as the original lump of lead [Popularity 13] See question Is the coin quarter magnetic [Popularity 13] See question	Additional Chemistry Questions [Page 35]
How many isomers of 2-napthol are generated by moving the OH group around the rings do not count... [Popularity 13] See question Why do boiling points change between primary alcohols and seconrady alcohols [Popularity 13] See question	Additional Chemistry Questions [Page 36]
How do you make a nail or other metal object rusty [Popularity 13] See question How do you convert pascals into kg per centimeter square [Popularity 13] See question	Additional Chemistry Questions [Page 37]
Can an atom be made or destroyed [Popularity 13] See question How or where can you see an electron a proton or a neutron [Popularity 13] See question	Additional Chemistry Questions [Page 38]
What are 5 examples of a pure substance [Popularity 12] See question Where is the highest electronegativity found [Popularity 12] See question	Additional Chemistry Questions [Page 39]
What is the chemical symbol for chromium [Popularity 12] See question What is the job role of sciencetist attache [Popularity 12] See question	Additional Chemistry Questions [Page 40]
Which gets hotter faster sand or water [Popularity 12] See question What is the specific absorbance of hypericin [Popularity 12] See question	Additional Chemistry Questions [Page 41]
Do scientists use the SI system of measure [Popularity 12] See question What are the horizontal groupings in the periodic table named [Popularity 12] See question	Additional Chemistry Questions [Page 42]
What would occur if a few drops of saturated sodium sulphate solution were added to a saturated... [Popularity 12] See question How do you prepare 0.002 molar potassium permanganate solution [Popularity 12] See question	Additional Chemistry Questions [Page 43]
What is the freezing point of glycerol [Popularity 12] See question Are aldehydes acidic [Popularity 12] See question	Additional Chemistry Questions [Page 44]
What makes an alcohol a hard alcohol [Popularity 12] See question How do you check the presence of sodium in different in different compounds [Popularity 12] See question	Additional Chemistry Questions [Page 45]
What does rhe periodic table look like [Popularity 11] See question What is the density of teflon [Popularity 11] See question	Additional Chemistry Questions [Page 46]
Who was Robert Hooke's mom [Popularity 11] See question What is calciums freezing and melting point [Popularity 11] See question	Additional Chemistry Questions [Page 47]
What is the noble gas notation of krypton [Popularity 11] See question Is Si A Metal [Popularity 11] See question	Additional Chemistry Questions [Page 48]
What is the law of definite composition [Popularity 11] See question What is gorilla glue [Popularity 11] See question	Additional Chemistry Questions [Page 49]
Does a catalyst effect Ea [Popularity 11] See question What is Carbide [Popularity 11] See question	Additional Chemistry Questions [Page 50]
What is carbon's electron configuration [Popularity 11] See question What is bio-diesel [Popularity 11] See question	Additional Chemistry Questions [Page 51]
How can i find an article by donald bigg [Popularity 11] See question Why is the boiling point of ammonia higher than phosphine but lower than stibine [Popularity 11] See question	Additional Chemistry Questions [Page 52]
What happens when a person loses neuron cells from a stroke [Popularity 11] See question What would potassium hydroxide be used for in the power washing industry [Popularity 11] See question	Additional Chemistry Questions [Page 53]
What is the common constituent in all acid solutions [Popularity 11] See question How do you assign absolute configuration to allenes [Popularity 11] See question	Additional Chemistry Questions [Page 54]
What experiments did Antoine Lavoisier use to create the law of conservation of mass [Popularity 10] See question How many electron orbital shells does Rhodium have [Popularity 10] See question	Additional Chemistry Questions [Page 55]
Why does carbon dioxide have an relatively low melting and boiling point [Popularity 10] See question What color has a wavelength of 410 nm [Popularity 10] See question	Additional Chemistry Questions [Page 56]
Does adding salt to water change the temperature at which it boils [Popularity 10] See question Is concrete a mixture and a compound [Popularity 10] See question	Additional Chemistry Questions [Page 57]
Chemical formula for advil [Popularity 10] See question How do you determine a work done is positive sign or negative sign [Popularity 10] See question	Additional Chemistry Questions [Page 58]
Why isn't magnesium found naturally [Popularity 10] See question How does spontaneous combustion occur [Popularity 10] See question	Additional Chemistry Questions [Page 59]
How does a flame test work is it something to do with the electron arrangement and orbitals in the... [Popularity 10] See question What is the most abundant isotope of chlorine [Popularity 10] See question	Additional Chemistry Questions [Page 60]
Is benzoic acid soluble in sodium hydroxide [Popularity 10] See question What metallic element is used in nuclear weapons [Popularity 10] See question	Additional Chemistry Questions [Page 61]
Why is naphthalene insoluble in water [Popularity 10] See question How much solute and solvent is in a solution [Popularity 10] See question	Additional Chemistry Questions [Page 62]
How many protons and electrons are present in a nitrogen atom [Popularity 10] See question What does the percent yield of a reaction measure [Popularity 10] See question	Additional Chemistry Questions [Page 63]
What is the limit for good angle of repose [Popularity 10] See question Why does a bottle filled with cold water blast when kept in fridge [Popularity 10] See question	Additional Chemistry Questions [Page 64]
What has 29 protons [Popularity 9] See question What does audiophile mean [Popularity 9] See question	Additional Chemistry Questions [Page 65]
What are examples of chemical reactions that occur quickly [Popularity 9] See question Why is it important to measure the volumes as accurately as possible [Popularity 9] See question	Additional Chemistry Questions [Page 66]
How does adding more resistance affect current and voltage [Popularity 9] See question How does the poison potassium cyanide kill a person [Popularity 9] See question	Additional Chemistry Questions [Page 67]
Why is sodium benzoate soluble in water [Popularity 9] See question Why boiling point of milk is greater than water [Popularity 9] See question	Additional Chemistry Questions [Page 68]
What is the Bohr model for Silver [Popularity 9] See question What is the most common isotope of aluminum [Popularity 9] See question	Additional Chemistry Questions [Page 69]
Is Neon a stable element [Popularity 9] See question Is aluminum a alkali metal alkaline earth metal transition metal halogen or noble gas [Popularity 9] See question	Additional Chemistry Questions [Page 70]
Is urine heterogeneous [Popularity 9] See question How many electrons does sulfur have in their outer shell [Popularity 9] See question	Additional Chemistry Questions [Page 71]
What can denature a protein other than chemicals [Popularity 9] See question What is the abbrevation for silicon on the periodic table [Popularity 9] See question	Additional Chemistry Questions [Page 72]
What is Trimethylvinylammonium [Popularity 9] See question What is NaCl [Popularity 9] See question	Additional Chemistry Questions [Page 73]
What are some of the properties of gold [Popularity 9] See question Are acids the only dangerous chemicals [Popularity 9] See question	Additional Chemistry Questions [Page 74]
What happens when you add zinc to copper sulfate [Popularity 8] See question Which is a good conductor of electricity as well as poor conductor of heat [Popularity 8] See question	Additional Chemistry Questions [Page 75]
What kind of balloon do you use for a experiment that is about how baking soda and vinegar inflates... [Popularity 8] See question What is the formula for zinc chloride [Popularity 8] See question	Additional Chemistry Questions [Page 76]
Why electrons orbit the nucleus [Popularity 8] See question List three types of radiation in order of increasing penetrating power [Popularity 8] See question	Additional Chemistry Questions [Page 77]
What did Benjamin Franklin contribute to the development of the present atomic model [Popularity 8] See question What is KBr the chemical formula for [Popularity 8] See question	Additional Chemistry Questions [Page 78]
How many electrons does the first element in each period have in its outermost energy level [Popularity 8] See question What is the difference between propane and natural gas [Popularity 8] See question	Additional Chemistry Questions [Page 79]
Is chrome related to chromium [Popularity 8] See question What happens when molecules are heated [Popularity 8] See question	Additional Chemistry Questions [Page 80]
Why is density important to consider in the selection of an extraction solvent [Popularity 8] See question If diet soda floats why is its density more than 1gmL [Popularity 8] See question	Additional Chemistry Questions [Page 81]
How does temperature affect diffusion rate [Popularity 8] See question Why is it important that the cooling water in a distillation apparatus enter the condenser jacket... [Popularity 8] See question	Additional Chemistry Questions [Page 82]
Is Shaving Gel a Liquid [Popularity 8] See question What are some examples of amorphous [Popularity 8] See question	Additional Chemistry Questions [Page 83]
Why can carbon form so many molecules [Popularity 8] See question What is true about the atoms in a piece of tin [Popularity 8] See question	Additional Chemistry Questions [Page 84]
What happens to an atom if it has more than 18 electrons [Popularity 8] See question What must be the source of error in benedict's solution test for glucose if instead of producing a... [Popularity 8] See question	Additional Chemistry Questions [Page 85]
How does water evaporate [Popularity 8] See question Why does the conductivity of a solution decrease with dilution [Popularity 8] See question	Additional Chemistry Questions [Page 86]
What family does the element scandium belong to [Popularity 8] See question What is an element [Popularity 8] See question	Additional Chemistry Questions [Page 87]
Would a salt react with another salt if no so howcome nacl react with agno3 silver nitrateto form... [Popularity 7] See question Is a marshmallow heterogeneous or homogeneous [Popularity 7] See question	Additional Chemistry Questions [Page 88]
When an atom loses an electron that atom becomes [Popularity 7] See question What is the most common isotope for chromium [Popularity 7] See question	Additional Chemistry Questions [Page 89]
What is the structural formula for oxygen gas [Popularity 7] See question What is the best way to dissolve hard candy [Popularity 7] See question	Additional Chemistry Questions [Page 90]
Is sodium hydroxide an alcohol [Popularity 7] See question What are the answers to periodic table puns [Popularity 7] See question	Additional Chemistry Questions [Page 91]
If a substance pours slowly it has a high [Popularity 7] See question What agency requires labels on corrosive and flammable liquids [Popularity 7] See question	Additional Chemistry Questions [Page 92]
How is air held in position around the Earth [Popularity 7] See question Why do chemical changes occur [Popularity 7] See question	Additional Chemistry Questions [Page 93]
How many moles are in Nitrogen [Popularity 7] See question What will not dissolve in water [Popularity 7] See question	Additional Chemistry Questions [Page 94]
What is an inner transition metal [Popularity 7] See question Is a suspension a heterogeneous mixture in which the particles settle slowly after mixing [Popularity 7] See question	Additional Chemistry Questions [Page 95]
What does the state of a substance depend on [Popularity 7] See question What is the difrence in boiling points in water and seawater [Popularity 7] See question	Additional Chemistry Questions [Page 96]
What will happen when water is mixed with sodium hydroxide [Popularity 7] See question Formula for chromic acid [Popularity 7] See question	Additional Chemistry Questions [Page 97]
Is perfume a pure substance [Popularity 7] See question What is the density of 1 molar sodium hydroxide in grams per milliliter [Popularity 7] See question	Additional Chemistry Questions [Page 98]
What is the chemical symbol for the ion with 12 protons and 10 electrons [Popularity 7] See question How many protons and neutrons and electrons does the element magnesium have [Popularity 7] See question	Additional Chemistry Questions [Page 99]
Is reaction of magnesium with cold water exothermic or endothermic [Popularity 7] See question Does water freeze at subzero temperatures [Popularity 7] See question	Additional Chemistry Questions [Page 100]

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