Chemistry Normal rainwater is slightly acidic due to the presence of Carbon dioxide Sulphur dioxide Methane None of these Carbon dioxide Sulphur dioxide Methane None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Polythene Chlorine Sponge Sulphur Polythene Chlorine Sponge Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Elimination reaction Substitution reaction None of the options Addition reaction Elimination reaction Substitution reaction None of the options Addition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Activated Coconut Charcoal Activated Charcoal Carbon black Charcoal Activated Coconut Charcoal Activated Charcoal Carbon black Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Methyl Alcohol Ethyl Alcohol Ethylene Acetic Acid Methyl Alcohol Ethyl Alcohol Ethylene Acetic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium ANSWER DOWNLOAD EXAMIANS APP