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Metals and Non-...

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  • Question 1
    1 / -0

    Zinc sulphate forms a colourless solution in water. The colour on adding copper is:

  • Question 2
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    The reactivity of iron, magnesium, sodium and zinc towards water are in order as:

  • Question 3
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    Which of the following reacts with cold water vigorously?

  • Question 4
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    The correct order of increasing chemical reactivity is :

  • Question 5
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    Which of the following metals can displace the other three metals from their salt solutions?

  • Question 6
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    To protect iron from corrosion and rust, it is coated by :

  • Question 7
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    Identify the metal which reacts with concentrated $$H_2SO_4$$ or $$HNO_3$$, but not with concentrated HCl.

  • Question 8
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    Metals are usually hard and difficult to cut.
    On the other hand, non-metals are usually brittle. When hit with a hammer, they break into small pieces.

    Identify the element that is relatively more brittle from the options below:

  • Question 9
    1 / -0

    A solid compound "A" consists of simple ions. The nature of the bond present in "A" will be:

  • Question 10
    1 / -0

    Ionic compounds are more likely to be soluble in:

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