Chemistry Commercial Vaseline is derived from Petroleum Coal tar Plant gums Wool wax Petroleum Coal tar Plant gums Wool wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Polyclinic hydrocarbons Lead Carbon monoxide Oxides of nitrogen Polyclinic hydrocarbons Lead Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaF2 CaBr2 Cal2 Cacl2 CaF2 CaBr2 Cal2 Cacl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by SO2 Chlorogluorocarbons NO NO2 SO2 Chlorogluorocarbons NO NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electric iron has a heating element made of : Zinc Tungsten Nichrome Copper Zinc Tungsten Nichrome Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Carbon dioxide Water vapour Ozone Carbon monoxide Carbon dioxide Water vapour Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP