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Free gk questions Online Test - MeritNotes
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No. of Questions :10
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1. What is the composition and uses of magnalium?
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2. What is annealing?
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3. What is liquation?
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4. What is an alloy?
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5. What is meant by vulcanisation?
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6. Mention the industrial uses of sulphur?
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7. Define the term mineral and ore?
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8. What is the composition of Duralumin?
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9. Why are metals highly electropositive?
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10. Why is atomic hydrogen used for welding?
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