Chemistry The depletion of ozone layer is due to Chloro fluoro carbon Carbon dioxide Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide Ethane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which method will be employed to test the hardness of water? Formation of lather with soap None of these Boiling Distillation Formation of lather with soap None of these Boiling Distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is dolomite magnesite carnallite calcite dolomite magnesite carnallite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Hygrometer Acidmeter PH meter Ammeter Hygrometer Acidmeter PH meter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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