Chemistry Commercial Vaseline is derived from Petroleum Coal tar Wool wax Plant gums Petroleum Coal tar Wool wax Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Petroleum Natural Gas Coal Firewood Petroleum Natural Gas Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Desilication Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Carbon dioxide Chlorine Hydrogen sulphide Ammonia Carbon dioxide Chlorine Hydrogen sulphide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Substitution reaction Elimination reaction None of the options Addition reaction Substitution reaction Elimination reaction None of the options ANSWER DOWNLOAD EXAMIANS APP