Self Studies

Metals and Non-...

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  • Question 1
    1 / -0

    Cinnabar is _______ .

  • Question 2
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    Which of the following elements are present at the top of the reactivity series?

  • Question 3
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    The following elements are listed in order of decreasing reactivity as they appear in the reactivity series.
          $$\displaystyle Na, Ca, Mg, Zn, Fe, H, Cu, Hg, Ag, Au$$

    The element that can displace all the elements in the series is :

  • Question 4
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    Which of the properties of metals listed below is not related to their shape or changing their shape?

  • Question 5
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    Thermit reaction involves the reaction __________.

  • Question 6
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    When $$Cu_2S$$ is heated in air, the products obtained are _______ .

  • Question 7
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    When manganese dioxide is heated with aluminium powder, the products obtained are:

  • Question 8
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    The following elements are listed in order of decreasing reactivity as they appear in the reactivity series.

          $$\displaystyle Na, Ca, Mg, Zn, Fe, H, Cu, Hg, Ag, Au$$

    Of the following, the element that does NOT react with dilute hydrochloric acid to produce hydrogen gas is _______.

  • Question 9
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    During electrolysis of molten sodium chloride:

  • Question 10
    1 / -0

    Which of the following are found as sulphide ores?

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