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Qualitative Ana...

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  • Question 1
    1 / -0

    Carbon and hydrogen are detected by heating the compound with which of the following?

  • Question 2
    1 / -0

    Which compound gets precipitated in the detection of carbon and hydrogen?

  • Question 3
    1 / -0

    Identify the element that cannot be detected by Lassaigne’s test.

  • Question 4
    1 / -0

    Assertion

    Potassium can be used in Lassaigne test.

    Reason

    Potassium reacts vigorously.

  • Question 5
    1 / -0

    What is Lassaigne’s test extract called as?

  • Question 6
    1 / -0

    In the test for nitrogen, the sodium fusion extract is acidified with which of the following?

  • Question 7
    1 / -0

    What is the color of the precipitate obtained in the test for sulphur?

  • Question 8
    1 / -0

    Blood-red colour in the detection of both N and S in Lassaigne's extract is due to the formation of__________.

  • Question 9
    1 / -0

    A X color precipitate, which is Y in ammonium hydroxide indicates presence of chlorine. Identify X and Y.

  • Question 10
    1 / -0

    Which is the oxidizing agent used in the test for phosphorous?

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