Chemistry The purest form of water is Tap water Ground water Distilled water Rain water Tap water Ground water Distilled water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Battery Uninterrupted power supply (UPS) Power transmittor Generator Battery Uninterrupted power supply (UPS) Power transmittor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 39 KJ 1 KJ 30 KJ 29 KJ 39 KJ 1 KJ 30 KJ 29 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Lack of aeration Frequent use Oxidation of cellulose Collection of dust Lack of aeration Frequent use Oxidation of cellulose Collection of dust ANSWER DOWNLOAD EXAMIANS APP
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