Chemistry Epsom salt is used In making tooth paste In paper industry In softening water As purgative In making tooth paste In paper industry In softening water As purgative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Copper Silver Gold Mercury Copper Silver Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Hydrocarbon Oxides of sulphur Smoke Oxides of nitrogen Hydrocarbon Oxides of sulphur Smoke Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin nicotine ANSWER DOWNLOAD EXAMIANS APP