TEST - 44 ( Principles of Metallurgy )
EFFORTS NEVER FAIL
NAME : *
1. The impurities present in the ore is called *
1 point
2. The method suitable for purification of low boiling metals is *
1 point
3. Which of the following element occurs in free state? *
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4. During calcinations, carbonate is converted to its *
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5. Chemical formula of a Cinnabar is *
1 point
6. Chemical formula of a Horn silver is *
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7. Chemical formula of a Gelena is *
1 point
8. Chemical formula of a Rocksalt is *
1 point
9. How many water molecules are present in Epsom salt? *
1 point
10. is a process of heating the ore strongly in the presence of oxygen. *
1 point
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