Chemistry The maximum number of covalent formed by nitrogen is 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Carbocation Free radical Carbene Carbanion Carbocation Free radical Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Gold Mercury Iron Platinum Gold Mercury Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are neutrons mesons electrons positrons neutrons mesons electrons positrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most poisonous pollutant in water is Detergent Arsenic Phosphate Zinc Detergent Arsenic Phosphate Zinc ANSWER DOWNLOAD EXAMIANS APP
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