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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- Which of the following is the sulphide ore of copper?
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- The liquid non-metal is
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- The phenomenone of produing a charaterstics sound when a material is s...
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- Copper reacts with dilute nitric acid and liberates
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- Which of the following metals will change blue colour of copper sulpha...
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- Most abundant metal on the surface of earth is:
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- The second most abundant metal present in the crust of the earth is
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- Chemical formula of cryolite is
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- Which of the following reactions cannot occurs?
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- The liquid metals is
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- Which one of the following statements is incorrect?
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- Consider the following displacement reactions: A+BSO4rarrASO4+B C+ASO4...
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- Which of the following statements are correct? Graphite is non-metalli...
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- An essential element of amalgam is
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- Which of the following metal can be cut with a knife?
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- Why are metals used for making wires ?
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- The non-metal which occurs in solid at room temperature are
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- Rusting of iron takes place in
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- A metal which does not liberate hydroge gas on reaction with acids is
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- Silver articles turn black after a perios of time because of the forma...
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