Chemistry The element which is used for vulcanizing rubber Silicon Sulphur Bromine Phosphorus Silicon Sulphur Bromine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Ammonia Methane Water Carbonic Acid Ammonia Methane Water Carbonic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is x/6 5x/36 5x 7.2 x x/6 5x/36 5x 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Hydrogen peroxide Mild sulphuric acid Glucose isomerase Iodine and water Hydrogen peroxide Mild sulphuric acid Glucose isomerase Iodine and water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 4 to 5 per cent 5 to 6 per cent 2 to 3 per cent 3 to 4 per cent 4 to 5 per cent 5 to 6 per cent 2 to 3 per cent 3 to 4 per cent ANSWER DOWNLOAD EXAMIANS APP
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