Chemistry Coal is formed from Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium sulphate Calcium carbonate Calcium nitrate Calcium chloride Calcium sulphate Calcium carbonate Calcium nitrate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Tin Aluminium Copper Iron Tin Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction All of these are correct The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go The rate of chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Gun powder Cement Paint Glass Gun powder Cement Paint Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Oxalic acid Petrol Alcohol H2O2 Oxalic acid Petrol Alcohol ANSWER DOWNLOAD EXAMIANS APP
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