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Q. Which of the following has highest percentage of hydrogen………..

Q. Acetal is obtained by reacting in the presence of dry HCl and alcohol with…………..

Q. Cannizzaro reaction is given by…………

Q. The shape of methane molecule is………..

Q. Which of the following react with water?

Q. Which of the following statements regarding chemical properties of acetophenone are wrong…… (1) It is reduced to methyl phenyl carbinol by sodium and ethanol (2) It is oxidised to benzoic acid with acidified KMnO4 (3) It does not undergo iodoform electrophilic substitution like nitration at meta position (4) It does not undergo iodoform reaction with iodine and alkali

Q. The compound obtained by the reduction of propionaldehyde by amalgamated zinc and concentrated HCl is…………….

Q. Which of the following has highest octane number…………

Q. Carbon black, which is used in making printer's ink, is obtained by decomposition of………….

Q. Which of the following has the highest boiling point………..