Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 12 6 Zero 18 12 6 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Deposit of animal waste Coke Compressed and hardened biomass Crude oil Deposit of animal waste Coke Compressed and hardened biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mark the compound which possess ionic, covalent and coordinate bonds. SO3 H2O SO2 NH4Cl SO3 H2O SO2 NH4Cl ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Sulphur dioxide Nitric oxide Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide Peroxyacetyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Insecticides Sewage Leaded gasoline Tobacco Insecticides Sewage Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 3 13 8 5 3 13 8 5 ANSWER DOWNLOAD EXAMIANS APP
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