Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and zinc Copper, tin and zinc Tin and lead Copper and tin Copper and zinc Copper, tin and zinc Tin and lead Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Benzene Picric acid Aspirin Chloride Benzene Picric acid Aspirin Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 19 36 53 17 19 36 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Chlorine Oxygen Nitrogen Ozone Chlorine Oxygen Nitrogen Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the manufacture of vanaspati from vegetable oil is hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS