Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A fungus A seed plant A bacterium An insect A fungus A seed plant A bacterium An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Butane and propane Methane and ethylene Carbon monoxide and carbon dioxide Carbon dioxide and oxygen Butane and propane Methane and ethylene Carbon monoxide and carbon dioxide Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Water Methane Ammonia Carbonic Acid Water Methane Ammonia Carbonic Acid ANSWER DOWNLOAD EXAMIANS APP
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