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Give the uses of aluminium, copper, z...

Give the uses of aluminium, copper, zinc and iron.

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Knowledge Check

  • A student puts one big iron nail each in four test tubes containing solutions of zinc sulphate, aluminium sulphate, copper sulphate and iron sulphate. A reddish-brown coating was observed only on the surface of iron nail which was put in the solution of

    A
    zinc sulphate
    B
    iron sulphate
    C
    copper sulphate
    D
    aluminium sulphate.

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    Explore conceptually related problems

    State the reason why (i) carbon is not used to reduce the oxides of sodium or aluminium. (ii) an iron strip dipped in a blue copper sulphate solution turns the blue solution to pale green. (iii) calcium does not occur free in nature. (iv) zinc is used in the galvanisation of iron and not copper.

    State the reason why (i) carbon is not used to reduce the oxides of sodium or aluminium. (ii) an iron strip dipped in a blue copper sulphate solution turns the blue solution to pale green. (iii) calcium does not occur in free state in nature. (iv) zinc is used in the galvanisation of iron and not copper.

    From among the set of metals-sodium, zinc, iron, copper and silver, select the following giving equation for reaction. One metal which will displace copper from copper sulphate solution.

    From among the set of metals-sodium, zinc, iron, copper and silver, select the following giving equation for reaction. One metal which will not displace copper from copper sulphate solutions.

    From the set of metals- zinc, iron, copper and silver, select the following giving equation for reaction. Two metals which will liberate hydrogen from water.

    From among the set of metals-sodium, zinc, iron, copper and silver, select the following giving equation for reaction. One metal which is used to prepare hydrogen gas in the laboratory.

    Find the odd one out from the following Aluminium, Iron, Copper, Silver, Sand

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