Solution key of worksheet 2, Ch 5, Class7

1. Acid

2. Acetic acid, Citric acid

3. contain acid

4. in curd

5. Hydrochloric acid

6. By trating with bases like quick lime, slaked lime

7. milk of magnesia

8. neutralization

9. bitter, sour

10. magenta, green

11. otherwise they will harm water bodies

12. base or neutral

13. Acid rain

       

14. (a)

15. (b)

16  (d)

17. (d)

18. (d)

19. (a)

20. acid+base are reactants and salt+water are products