Chemistry questions This is a list of recently added questions about chemistry. Play chemistry quiz and see all the questions. How can you cut a diamond?Using a diamond. Diamond is a hardest substance in the world and hence as a very strong bonding between the atoms. hence it can be cut only by using a diamond Created by: Shruthi Srinivasanvery easy 81% using a knifeusing a knife8using a diamondusing a diamond429using goldusing gold18using a gasusing a gas72materials riddles » What is the chemical formula of dry ice also known as cardice?CO₂. Dry ice is the solid form of carbon dioxide. In temperatures above −78.5 °C (−109.3 °F) it will not melt but sublimate, that means transforming straight from solid form into gas one without liquid phase.Created by: Justa87hard 43% H₂OH₂O288CO₂CO₂752CH₄CH₄284HCOOHHCOOH402nature riddles » What is dry ice?Solidified CO2. Dry ice is used in refrigeration. It has an interesting property: it maintains a constant temperature of -78.5C in a warmer environment. This is because dry ice does not melt and sublimes directly into the gaseous form.Created by: Niezgodnavery easy 92% glacierglacier356solidified CO2solidified CO29601legendary alchemical substancelegendary alchemical substance237meringue dessertmeringue dessert165ice riddles » Which substance is the most bitter?Denatonium benzoate. Denatonium, usually available as denatonium benzoate and as denatonium saccharide, is the most bitter chemical compound known, with bitterness thresholds of 0.05 ppm for the benzoate and 0.01 ppm for the saccharide.Created by: Bartoszhard 42% salicinsalicin325absintheabsinthe875denatonium benzoatedenatonium benzoate1251benzoic acidbenzoic acid478cuisine riddles » What is the chemical symbol of mercury?Hg. The Latin name of mercury is "hydrargyrum" (meaning liquid silver - quicksilver), hence the symbol Hg. Ru is the chemical symbol of ruthenium, Rh - rhodium, Mt - meitnerium.Created by: globalquiz.orgvery easy 84% RuRu139RhRh352HgHg3021MtMt50chemical elements riddles » What is the chemical symbol of manganese?Mn. Mg is the chemical symbol of magnesium. Mo is the chemical symbol of molybdenum.Created by: globalquiz.orgeasy 79% MgMg411MoMo37MnMn2420MaMa161chemical elements riddles » What is the chemical symbol of tin?Sn. The Latin name of tin is "stannum", hence the symbol Sn. Ti is the chemical symbol of titanium. Sb is the chemical symbol of antimony.Created by: globalquiz.orgvery easy 85% TiTi181TT114SnSn2887SbSb176chemical elements riddles » What is the chemical symbol of silver?Ag. The Latin word for silver is "argentum", hence the symbol Ag. S is the chemical symbol of sulfur, Si - silicon, Au - gold.Created by: globalquiz.orgeasy 77% SS64SiSi118AuAu569AgAg2541chemical elements riddles » What is the chemical symbol of lead?Pb. The Latin name of lead is "plumbum", hence the symbol Pb. La is the chemical symbol of lanthanum, O - oxygen, Db - dubnium.Created by: globalquiz.orgvery easy 94% LaLa62PbPb3157OO100DbDb27chemical elements riddles » What is the chemical symbol of helium?He. H is the chemical symbol of hydrogen. Hg is the chemical symbol of Mercury.Created by: globalquiz.orgvery easy 83% HH330HeHe2771HlHl173HgHg54gases riddles » Play chemistry quiz and see all the questions.