Chemistry The mineral containing both magnesium and calcium is calcite magnesite dolomite carnallite calcite magnesite dolomite carnallite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium sulphate Aluminium powder None of these Solder Aluminium sulphate Aluminium powder None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Elimination Addition Substitution Oxidation Elimination Addition Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Gold Mercury Silver Copper Gold Mercury Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll ANSWER DOWNLOAD EXAMIANS APP