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MCQ Science and Technology Chapter 5 Class 9 Maharashtra Board

Acids, Bases and Salts

1. What is the concentration of H⁺ ions in a 1M NaOH solution at 25°C?

Question 1 of 20

2. What is the product of the reaction between SO₃ and NaOH?

Question 2 of 20

3. What happens to lime water when carbon dioxide is passed through it?

Question 3 of 20

4. Which of the following is an acidic salt?

Question 4 of 20

5. What is the chemical equation for the dissociation of HCl in water?

Question 5 of 20

6. What is the product of the reaction between Mg and dilute HCl?

Question 6 of 20

7. What is the pH range of an acidic solution?

Question 7 of 20

8. What is the chemical formula of crystalline alum?

Question 8 of 20

9. What is the colour of methyl orange in a basic solution?

Question 9 of 20

10. What is the product of the reaction between ZnO and NaOH?

Question 10 of 20

11. What is the concentration in g/L of 4.9g H₂SO₄ in 200ml solution?

Question 11 of 20

12. What is formed when dilute HCl is poured on washing soda?

Question 12 of 20

13. Which of the following is a strong acid?

Question 13 of 20

14. What is the volume ratio of oxygen to hydrogen gas produced during the electrolysis of water?

Question 14 of 20

15. What is the colour of litmus in a basic solution?

Question 15 of 20

16. What is the product of the reaction between CaO and dilute HCl?

Question 16 of 20

17. Which of the following is a neutral salt?

Question 17 of 20

18. What is the chemical equation for the reaction of ZnO with dilute HCl?

Question 18 of 20

19. What is the cathode reaction during the electrolysis of a copper sulphate solution?

Question 19 of 20

20. What is the odd one out among sodium nitrate, sodium carbonate, sodium sulphate, and sodium chloride?

Question 20 of 20


 

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