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Chemical Reacti...

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  • Question 1
    1 / -0

    Study the equation given below.

    $$2 Al+ (X)  {H}_{2}{SO}_{4}\rightarrow Al_2({SO}_4)_{3}+{3H}_{2}$$

    In the given equation, what does $$X$$ stand for?

  • Question 2
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    In which reaction do two compounds exchange their ions or radicals mutually to form two new compounds?

  • Question 3
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    What happens when copper rod is dipped in iron sulphate solution?

  • Question 4
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    In the reaction, $$PbO + C \rightarrow  Pb + CO$$:

  • Question 5
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    1.0g of $$CaCO_3$$ is taken in a test tube. On heating it over a flame, a colorless gas is evolved. The reaction is called:

  • Question 6
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    White silver chloride in sunlight turns to :

  • Question 7
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    The reaction between nitrogen and hydrogen to give ammonia is an example of :

  • Question 8
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    $$Zn+H_2SO_4(dil)\rightarrow ZnSO_4+H_2\uparrow$$

    The above reaction is:

  • Question 9
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    When lead nitrate is heated, it breaks down into lead monoxide, nitrogen dioxide and oxygen.
    $$2Pb(NO_3)_2 \rightarrow 2PbO + 4NO_2+O_2$$
    The reaction is an example of:

  • Question 10
    1 / -0

    Which of the following is not a balanced equation?

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