ScienceClass 7CBSE
Q
18. Match the substances in Column I with those in Column II. Column I Column II a) Tartaric acid i) Soap b) Calcium hydroxide ii) Curd c) Formic acid iii) Unripe mangoes d) Sodium Hydroxide iv) Ant’s sting e) Lactic acid v) Lime water
A
Soln:
| Column I | Column II |
| a) Tartaric acid | iii. Unripe mangoes |
| b) Calcium hydroxide | v. Lime water |
| c) Formic acid | iv. Ant’s sting |
| d) Sodium Hydroxide | i. Soap |
| e) Lactic acid | ii. Curd |