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Chemical Reacti...

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  • Question 1
    1 / -0

    Copper sulphate solution, which is blue in colour, will change to a colourless solution with the addition of which metal?

  • Question 2
    1 / -0

    Which of the following is/are a decomposition reaction(s)?

  • Question 3
    1 / -0

    $$\displaystyle xFe+yH_{2}O\rightarrow zFe_{3}O_{4}+wH_{2}$$
    What are $$x, y, z$$ and $$w$$ respectively ?

  • Question 4
    1 / -0

    Which of the following statement about the following reaction is correct
    $$ZnO + CO\, \rightarrow\, Zn +CO_2$$

  • Question 5
    1 / -0

    When the following equation is balanced, the coefficients $$a, b$$ and $$c$$ will be: 

    $$aKClO_3 \rightarrow bKCl + cO_2$$

  • Question 6
    1 / -0

    Which of the following reaction will not take place?

  • Question 7
    1 / -0

    Consider the following reactions :

    $$CuSO_4+Fe\rightarrow FeSO_4+Cu$$
    $$FeSO_4+Zn\rightarrow ZnSO_4+Fe$$
    Among these:

  • Question 8
    1 / -0

    Which of the following processes can not take place in the absence of oxygen?

  • Question 9
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     Action of light on silver bromide is an example of?

  • Question 10
    1 / -0

    The equation $$Cu+XHNO_3\rightarrow Cu(NO_3)_2+YNO_2+2H_2O$$, the values of $$X$$ and $$Y$$ are:

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