Chemistry Neoprene is prepared by polymerisation of which of the following Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene Acrylonitrile 2-methyl 1, 3-butadiene 2-chloro-1, 3-butadiene 1,3-butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The action of ultraviolet rays on oxygen The combination of oxygen molecules The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Solid zinc Molten tin Gaseous zinc Molten zinc Solid zinc Molten tin Gaseous zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Lactic acid Sulphuric acid Hydrochloric acid Nitric acid Lactic acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a precious/semi-precious stone? Emerald Ruby Sapphire Pearl Emerald Ruby Sapphire Pearl ANSWER DOWNLOAD EXAMIANS APP
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