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Which metals do not corrode easily?
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What chemical process is used for obtaining a metal from its oxide?
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Name two metals which are found in nature in the free state.
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Define the following terms. (i) Mineral (ii) Ore (iii) Gangue
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Why do ionic compounds have high melting points?
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Write equations for the reactions of (i) iron with steam
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Why is sodium kept immersed in kerosene oil?
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Explain the meanings of malleable and ductile.
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is a poor conductor of heat.
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is the best conductor of heat.
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can be easily cut with a knife.
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is a liquid at room temperature.
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