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 In electro-refining, the pure metal is deposited on Electrolyte Anode Cathode Vessel Electrolyte Anode Cathode Vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is One Three Two Zero One Three Two Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Benzoic acid Phthalic acid Oxalic acid Cinnamic acid Benzoic acid Phthalic acid Oxalic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Mining Welding Anaesthesia Cooking Mining Welding Anaesthesia Cooking ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Calcium phosphate Phosphoric sulphate Calcium hypophosphate Calcium sulphate Calcium phosphate Phosphoric sulphate Calcium hypophosphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP