Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Electric heaters Atomic bombs A battery Dynamo Electric heaters Atomic bombs A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide Sulphur dioxide Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Nitric oxide Hydrogen Chlorofluorocarbon Carbon dioxide Nitric oxide Hydrogen Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard water and soft water can be distinguished by using Dilute acid Detergent Liquid soap Ordinary soap Dilute acid Detergent Liquid soap Ordinary soap ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Copper Dolomite Lignite Bauxite Copper Dolomite Lignite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A seed plant A fungus An insect A bacterium A seed plant A fungus An insect ANSWER DOWNLOAD EXAMIANS APP
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