Chemistry
Grade-10
Easy
Question
Select the correct option for the alloy of iron.
- Vitallium
- Brass
- Invar
- Solder
Hint:
The meaning of the term ‘alloy’ is a substance formed from the combination of two or more metals. Alloys can also be formed from combinations of metals and other elements.
The correct answer is: Invar
- Vitallium is an alloy of 65% cobalt, 30% chromium, 5% molybdenum, and other substances
- brass, alloy of copper and zinc
- Invar, alloy of iron that expands very little when heated; it contains 64 percent iron and 36 percent nickel.
- Solder is an alloy of lead and tin.
Related Questions to study
Chemistry
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 |
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 |
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