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MBD-MATERIALS: METALS AND NON-METALS-EXAMPLE
- Of what property, are metals used in jewellery?
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- What is the colour of copper metal?
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- Name two metals which can be cut with a knife
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- What is the difference between a metal and a non-metal? What is the to...
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- Why is Potassium metal not stored in water?
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- State two physical properties on the basis of which metals may be dist...
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- State one chemical property which may be used to distinguish a metal f...
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- Why is sodium kept immersed in kerosene oil?
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- Explain the following: Acidic oxides
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- Explain the following: Basic ocides
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- Explain the occurrence of metals in nature.
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- What do you understand by ductility and malleability of a metal? Give ...
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- Silver does not combine easily with oxygen but silver jewellery tarnis...
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- Why do gold ornaments look new even after several years of use?
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- Magnesium and copper metals are heated directly over a flame. Which of...
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- CuSO4 + Fe rarr FeSO4 +Cu feSO4 + Zn rarr ZnSO4 + Fe br> On the basi...
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- Why are pickles, chutney and citrus fruits not stored in iron and alum...
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- what happen when a piece of zinc is added to copper sulphate solution?
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- Can copper displace iron from iron sulphate solution? Give reasons.
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- Why does aluminium vessel lose its lusture after sometime?
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