C1.3 Acid, Bases and Indicators

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Question 1 of 23

1. What color is litmus paper in the base?

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2. Materials that are used to classify various substances as either acids or bases are known as?

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3. Mention the pH scale values of strong acids in universal indicators

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4. Mention the uses of the base?

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5. Mention the properties of acids

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Question 6 of 23

6. Mention the pH scale values of a weak base in universal indicators

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7. Which indicator is mainly used to provide information about the strength of an acid or base?

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Question 8 of 23

8. METAL + ACIDS = METAL SALT + HYDROGEN GAS

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Question 9 of 23

9. Mention the pH scale values of weak acids in universal indicators?

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Question 10 of 23

10. Which statement is CORRECT about a universal indicator

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Question 11 of 23

11. Mention the properties of the base?

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Question 12 of 23

12. What color is litmus paper in acids?

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Question 13 of 23

13. Acids react with carbonates and hydrogen carbonates to produce salt, water, and carbon (iv) oxide?

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Question 14 of 23

14. Mention the difference between acids and bases?

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Question 15 of 23

15. Mention the pH scale values of a neutral solution in universal indicators?

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Question 16 of 23

16. Mention the pH scale values of a strong base in universal indicators?

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17. Mention the effects of acids on substance?

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Question 18 of 23

18. Mention the uses of acids?

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Question 19 of 23

19. What is the main disadvantage of Litmus indicator paper?

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Question 20 of 23

20. What color is litmus paper in a neutral solution?

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Question 21 of 23

21. A base is a substance which when reacted with acids forms salt and water as the only products?

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Question 22 of 23

22. Very reactive metals like potassium, sodium, and Calcium react violently with acids?

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Question 23 of 23

23. An acid is a compound that reacts with metals to form salt and hydrogen gas

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