Chemistry The depletion of ozone layer is due to Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide Chloro fluoro carbon Sulphur dioxide Ethane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Glucose Urea Uric acid Lactic acid Glucose Urea Uric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrates Nitramines Nitrites Ammonia Nitrates Nitramines Nitrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate adding caustic soda boiling distillation adding sodium carbonate adding caustic soda boiling distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Silver Zinc Copper Aluminium Silver Zinc Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Phosphoric acid Disodium hydrogen phosphate Sodium dihydrogen phosphate Sodium phosphate Phosphoric acid Disodium hydrogen phosphate Sodium dihydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
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