CBSE Class 10 Science Acids, Bases and Salts Quiz 2

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CBSE › Class 10 › Science › Acids, Bases and Salts

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1. One of the constituents of baking powder is sodium hydrogencarbonate, the other constituent is

A hydrochloric acid B tartaric acid C acetic acid D sulphuric acid

2. Increase in the OH

A an increases in the pH of solution B a decrease in the pH of the solution C doesn’t alter the pH of the solution D decreases the basic strength of the solution

3. A solution has turned the colour of red litmus paper to blue. The pH of the solution is approximately:

A 2 B 5 C 7 D 10

4. The pH of three solutions X, Y and Z is 6, 4 and 8 respectively. Which of the following is the correct order of acidic strength?

A X > Y > Z B Z > Y > X C Y > X > Z D Z > X > Y

5. Which one of the following can be used as an acid-base indicator by a visually impaired student?

A Litmus B Turmeric C Vanilla essence D Petunia leaves

6. What is gastric acid present in the stomach composed of?

A Hydrochloric acid B Sulphuric acid C Nitric acid D Lactic acid

7. Which of the following is acidic in nature?

A Lime juice B Human blood C Lime water D Antacid

8. When the solution of an acid is diluted, what will be the change in pH of the solution?

A pH of the solution remains the same B pH of the solution will increase C pH of the solution decreases D pH of the solution climbs to 7

9. When the stopper of a bottle containing colourless liquid was removed, the bottle gave a smell like that of vinegar. The liquid in the bottle could be

A Hydrochloric acid solution B Sodium hydroxide solution C Acetic acid solution D Saturated sodium bicarbonate solution

10. Which of the following is not a mineral acid?

A Hydrochloric acid B Citric acid C Sulphuric acid D Nitric acid

Practice more on Acids, Bases and Salts

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