Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Greenhouse effect Dry farming Fire in coal mines Trade winds Greenhouse effect Dry farming Fire in coal mines Trade winds ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Dolomite Bauxite Lignite Copper Dolomite Bauxite Lignite Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Lymphocyte Spermatozoan Erythrocyte Oocyte Lymphocyte Spermatozoan Erythrocyte Oocyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Lemon Milk Apple Tamarind Lemon Milk Apple Tamarind ANSWER DOWNLOAD EXAMIANS APP
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