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Acids Bases and...

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  • Question 1
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    Chemical formula of gypsum is:

  • Question 2
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    $$pH$$ scale ranges from:

  • Question 3
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    A reaction of hydrated copper [II] sulphate is given:

    $${ CuSO }_{ 4 }.  { xH }_{ 2 }O$$ (blue\hydrous) $$\xrightarrow { { H }_{ 2 }{ SO }_{ 4 } }$$ $$y { CuSO }_{ 4 }$$ (white\anhydrous) $$+\ 5{ H }_{ 2 }O$$

    Find $$x$$ and $$y$$.

  • Question 4
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    pH of any neutral solution is:

  • Question 5
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    NaOH is not used in : 

  • Question 6
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    Which of the following compounds form salt with $$NaHCO_3$$?

  • Question 7
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    Calcium phosphate is present in tooth enamel, its nature is:

  • Question 8
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    Which of the following is acidic in nature? 

  • Question 9
    1 / -0

    Solutions of sodium hydroixde and acetic acid are mixed:

    Write the balanced chemical equation.

  • Question 10
    1 / -0

    Metal carbonates react with dilute $$H_2SO_4$$ to produce:

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