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  • Question 1
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    Which out of the following is not a homogeneous mixture?

  • Question 2
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    A mixture of water and acetone is being separated using the apparatus shown. Where will the separated acetone get collected?

  • Question 3
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    Study the given flowchart carefully and identify P and Q respectively.

  • Question 4
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    If the ammonia gas is dissolved in the liquid which is going to be distilled, then after completion of distillation where it will be?

  • Question 5
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    Homogeneous mixtures are also called :

  • Question 6
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    Liquids which do not mix with each other are :

  • Question 7
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    Ethyl alcohol is completely miscible with water. It can be separated from this mixture by:

  • Question 8
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    Chromatography is a word that means "colour writing". It is a technique that can be used to separate the components of a mixture.
    In this experiment, a marker was used to make a dot of green ink on a piece of paper. The bottom edge of the paper was placed in water and the water travelled vertically up the paper. As a result, the spot of green ink was separated into two colors: blue and yellow.
    Which of the following is the best explanation for the fact that the blue ink moved farther up the paper than the yellow ink in this experiment?

  • Question 9
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    The disease kalaazar is cured by:

  • Question 10
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    Choose the correct answer form the alternatives given.
    A student by chance mixed acetone with alcohol. This mixture of acetone and alcohol can be separated by

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