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Free gk questions Online Test - MeritNotes
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No. of Questions :10
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1. What are chemical changes?
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2. What are the conditions for chemical reactions?
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3. Define endothermic change?
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4. What is an exothermic reaction?
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5. Define physical changes?
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6. What is fermentation?
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7. Define oxidation?
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8. Mention some techniques of purification?
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9. What is a reduction reaction?
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10. What is distillation?
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