Chemistry
Grade-10
Easy
Question
Match the following.
| Column-I |
Column-II |
| 1. Iron pyrites | i) ZnS |
| 2. Pitchblende | ii) CaSO42H2O |
| 3. Dolomite | iii) FeS2 |
| 4. Zincblende | iv) CaCO3MgCO3 |
| 5. Gypsum | v) U3O8 |
- 1 - ii, 2 - i, 3 - iii, 4 - iv, 5 - v
- 1 - iii, 2 - iv, 3 - v, 4 - i, 5 - ii
- 1 - iii, 2 - v, 3 - iv, 4 - i, 5 - ii
- 1 - iii, 2 - ii, 3 - iv, 4 - i, 5 - v
Hint:
1-iii, 2-v, 3-iv, 4-i, 5-ii
The correct answer is: 1 - iii, 2 - v, 3 - iv, 4 - i, 5 - ii
Iron pyrites is FeS2.
Pitchblende is U3O8.
Dolomite is CaCO3MgCO3.
Zincblende is ZnS.
Gypsum is CaSO4.2H2O.
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