Nitric Acid

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  • Q1

    In laboratory, nitric acid is prepared by treating conc. sulphuric acid with ‘X’. Compound ‘X’ is chemically

    Marks:1
    Answer:

    KNO3

    Explanation:

    In laboratory, nitric acid is prepared by distilling conc. sulphuric acid with potassium nitrate (KNO3) or sodium nitrate (NaNO3).

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  • Q2

    The reaction of Fe(OH)3 with conc.HNO3 gives:

    Marks:1
    Answer:

    Fe (NO3)3 and H20

    Explanation:

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  • Q3

    While performing the ring test for nitric acid, you will observe

    Marks:1
    Answer:

    brown ring is formed at the junction of the two liquids.

    Explanation:

    In the ring test, brown coloured ring is formed at the junction of the two liquids.

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  • Q4

    Although pure nitric acid is colourless yet in the laboratory it appears to be yellow. The reason for the yellow colour of nitric acid is

    Marks:1
    Answer:

    nitric acid itself gets decomposed.

    Explanation:

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  • Q5

    Nitric acid was formerly known as:

    Marks:1
    Answer:

    aqua fortis.

    Explanation:

    Nitric acid was formerly known as aqua fortis which means strong water. It is called so because it is so strong that it reacts with almost all metals. It can even dissolve silver which does not dissolve in any other acid.

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