TEST - 44 ( Principles of Metallurgy )
EFFORTS NEVER FAIL
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NAME : *
1. The impurities present in the ore is called *
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2. The method suitable for purification of low boiling metals is *
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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   *
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6. Chemical formula of a Horn silver is *
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7. Chemical formula of a Gelena is *
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8. Chemical formula of a Rocksalt is *
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9. How many water molecules are present in Epsom salt? *
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10.             is a process of heating the ore strongly in the presence of oxygen. *
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