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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
- What is the nature of metal oxides?
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- Why do non-metals not conduct electricity?
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- Why do shop keepers apply oil on tools made of iron while storing them...
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- What is difference between minerals and ores?
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- Define calcination.
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- What is the formula of bauxite?
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- Which of the following reactions is possible? ZnSO4(aq)+Cu(s)rarrCuSO4...
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- Which of the following reactions is possible? Zn(s)+CuSO4(aq)rarrZnSO4...
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- Pure gold is ………………..carat.
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- What are alloys?
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- Define roasting.
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- Name two metals which do not react with oxygen.
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- Explain why surface of some metals acquired a dull appearance when exp...
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- What would you observe when zinc is added to a solution of iron sulpha...
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- Define corrosion of metals?
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- Explain,why metals are good conductors of heat and electricity?
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- Explain the meaning of malleable and ductile
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- What is meant by a reactivity series of metals? Arrange the following ...
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- You are given an iron strip. How will you make it into a magnet?
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- What is difference between minerals and ores?
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