Chemistry Freon' used as refrigerants is chemically Fluorinated aromatic compound Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon dioxide and Nitrogen Carbon monoxide and Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Equal to its vapour pressure Twice its vapour pressure Half its vapour pressure Not related to its vapour pressure Equal to its vapour pressure Twice its vapour pressure Half its vapour pressure Not related to its vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A fungus A seed plant A bacterium An insect A fungus A seed plant A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used for making solar cells is Magnesium Sodium Calcium Silicon Magnesium Sodium Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP