Chemistry Silver gets corroded due to ________ in air. Nitrogen Carbon dioxide Hydrogen Sulphide Oxygen Nitrogen Carbon dioxide Hydrogen Sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Free energy Threshold energy Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Lewis Ostwald Faraday Arrhenius Lewis Ostwald Faraday Arrhenius ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Nitric acid Aqua-regia Hydrochloric acid Acetic acid Nitric acid Aqua-regia Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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