Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbons Nitrous oxide Carbon dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride ethylene None of these ethyl alcohol vinyl chloride ethylene None of these ethyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C 3 1 2 A B C 2 1 3 A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 A B C3 2 1 A B C 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other Fat is dissolved Water is dispersed in fat Fat is dispersed in water Fat and water are dispersed in each other Fat is dissolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode Mercury - mercurous sulphate electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercuric oxide electrode ANSWER DOWNLOAD EXAMIANS APP
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