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Is Matter Aroun...

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  • Question 1
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    Which of the following techniques is applied to separate cream from milk?

  • Question 2
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    Which of the following substances is malleable?

  • Question 3
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    Which of the following statements is incorrect regarding metals?

  • Question 4
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    Which of the following substances is a compound?

  • Question 5
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    Which of the following statements about a mixture is incorrect?

  • Question 6
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    Which of the following matter is pure?

  • Question 7
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    Which of the following matter will form a solution with water?

  • Question 8
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    Which of the following matter is not a pure substance?

  • Question 9
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    Use the following information to answer the next question.

    The amount of a solute present in its saturated solution at a given temperature is called the solubility of the solute at that temperature.

    The solubility of an unknown substance in water at 50°C is 30.

    The solubility of the given substance in water at 100°C would be

  • Question 10
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    In a solution of ‘tincture of iodine’, the solvent is

  • Question 11
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    Which of the following mixtures can be separated by the process of filtration?

  • Question 12
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    What is the concentration of a solution containing 12 g of solute and 188 g of solvent in terms of mass by mass percentage?

  • Question 13
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    What is the volume of a solution of concentration 9.6% (mass by volume), if
    33.6 g of a solute is dissolved in it?

  • Question 14
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    Which of the following mixtures does not show the ‘Tyndall effect’?

  • Question 15
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    Shaving cream is

  • Question 16
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    Which of the following mixtures is an aerosol?

  • Question 17
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    The technique of sublimation is used to separate a mixture of

  • Question 18
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    Which of the following processes is used to separate dye from ink?

  • Question 19
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    Which of the following changes is a physical change?

  • Question 20
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    Which of the following mixtures of liquids can be separated by the technique of distillation?

  • Question 21
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    Which of the following substances is an element?

  • Question 22
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    Which of the following changes is a chemical change?

  • Question 23
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    Which of the following metals is liquid at room temperature?

  • Question 24
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    Which of the following elements is a metal?

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