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SWAN PUBLICATION-METALS AND NON METALS-Textbook Questions
- Why is sodium kept immersed in kerosene oil?
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- Write equation for the reactions of : iron with steam
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- Write equations for the reactions of :calcium and potassium with water...
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- Samples of four metals A,B,C and D were taken and added to the followi...
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- Samples of four metals A,B,C and D were taken and added to the followi...
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- Samples of four metals A,B,C and D were taken and added to the followi...
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- Which gas is produced when dilute hydrochloric acid is added to a reac...
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- What would you observe when zinc is added to a solution of iron sulpha...
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- write elctron dot structure of sodium and magnesium?
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- Show the formation of Na(2)O and MgO by the transfer of electrons.
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- NaCl , MgO What are the ions present in these compounds ?
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- Why do ionic compounds have high melting points?
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- Define the terms: mineral
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- Define the terms: ore
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- Define the term. Gangue
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- Name two metals which occur in free state in nature?
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- What chemical process is used for obtaining a metal from its oxide?
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- Metallic oxides of zinc, magnesium and copper were heated with the fol...
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- Which metals do not corrode easily?
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- what are alloys?
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