Chemistry Nitric acid does not react with Iron Gold Zinc Copper Iron Gold Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is more reactive than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Argon Vanadium Sulphur Iodine Argon Vanadium Sulphur Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? Ag P S Na Ag P S Na ANSWER DOWNLOAD EXAMIANS APP