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Steam distillation: which substances it purifies

This type of question, asked 3 times: 27 Jan 2024, 31 Jan 2024, 6 Apr 2026 S2. All 3 questions below, oldest first.

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  1. Question 1

    27 Jan 2024

    128
    The technique used for purification of steam volatile water immiscible substance is:

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  2. Question 2

    31 Jan 2024

    135
    The fragrance of flowers is due to the presence of some steam volatile organic compounds called essential oils. These are generally insoluble in water at room temperature but are miscible with water vapour in vapour phase. A suitable method for the extraction of these oils from the flowers is

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  3. Question 3

    6 Apr 2026 S2

    37
    Given below are two statements : Statement I: A mixture of C12H22O11C_{12}H_{22}O_{11} (sugar) and NaCl can be separated by dissolving sugar in alcohol, due to differential solubility Statement II : Rose essence from rose petals is separated by steam distillation due to its high volatility and insolubility in H2OH_{2}O. In the light of the above statements, choose the correct answer from the options given below :

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