Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Cadmium Copper Lead Chromium Cadmium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Green house effect is accelerated by All of these Increased transportation activity Rapid industrialization Deforestation All of these Increased transportation activity Rapid industrialization Deforestation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here Dry ice or frozen carbon dioxide Silver Iodide Sodium Chloride All listed here ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Chalco pyrites Hematite Bauxite Fluorspar Chalco pyrites Hematite Bauxite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbene Carbanion Free radical Carbocation Carbene Carbanion Free radical Carbocation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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