Chemistry
Grade-10
Easy
Question
With which metal, mercury does not form amalgam?
- Copper
- Silver
- Zinc
- Iron
Hint:
- Amalgum is a mixture of mercury and another metal, used especially to fill holes in teeth
The correct answer is: Iron
- Amalgum is a mixture of mercury and another metal, used especially to fill holes in teeth
- Mercury does not form amalgam with iron, platinum, tungsten or tantalum
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Column-II |
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| 3. Dolomite | iii) FeS2 |
| 4. Zincblende | iv) CaCO3MgCO3 |
| 5. Gypsum | v) U3O8 |
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Column-II |
| 1. Iron pyrites | i) ZnS |
| 2. Pitchblende | ii) CaSO42H2O |
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