Chemistry The major constituent of air is oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue It is a odourless gas It is insoluble in water It is a yellowish gas Its aqueous solution turns red litmus blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Helium Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor Charcoal ANSWER DOWNLOAD EXAMIANS APP
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