Q23 of 48 Page 9

Which among the following is not a base?

C2H5OH is not a base. C2H5OH or ethyl alcohol has a functional OH– group. It cannot dissociate ions in a solution. Thus it cannot be a basic compound.

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21

Which of the following is used for dissolution of gold?

 22

Which of the following is not a mineral acid?

 24

Which of the following statements is not correct?

 25

Match the chemical substances given in column I with their appropriate application given in Column II.























Column I



Column II



A. Bleaching powder



1. Preparation of glass



B. Baking soda



2. Production of H2and Cl2



C. Washing soda



3. Decolourisation



D. Sodium chloride



4. Antacid



Codes


A B C D A B C D