Chemistry The percentage of oxygen in air is approximately 0.01 0.78 1 0.21 0.01 0.78 1 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is Its aqueous solution turns red litmus blue It is insoluble in water It is a odourless gas It is a yellowish gas Its aqueous solution turns red litmus blue It is insoluble in water It is a odourless gas It is a yellowish gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching action of moist sulphur di-oxide is because of its Oxidising property Acidic property Basic property Reducing property Oxidising property Acidic property Basic property Reducing property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Oxygen Carbon monoxide Nitrogen Carbon dioxide Oxygen Carbon monoxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Hydrocarbons Polymers Salts Elements Hydrocarbons Polymers Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Sulphur Nitrogen Alcohol Silicon Sulphur Nitrogen Alcohol Silicon ANSWER DOWNLOAD EXAMIANS APP
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