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Is Matter Around Us Pure Test - 22

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Is Matter Around Us Pure Test - 22
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Weekly Quiz Competition
  • Question 1
    1 / -0
    An element consists of
  • Question 2
    1 / -0
    Component present in larger amount in solution is known as:
    Solution
    Substance in which solute is dissolved is known as a solvent. It is present in higher concentrations in the solution.
  • Question 3
    1 / -0
    Most commonly used solvents are:
    Solution
    Substance in which solute is dissolved is known as a solvent. It is present in higher concentrations in the solution. A solution is obtained when a substance is dissolved in another substance, most commonly solutes are solid in nature and solvents are liquids.
  • Question 4
    1 / -0
    In compounds, different elements of matter, like atoms and ions, combine together in
    Solution
    A compound is the chemical union of separate elements, ingredients, or parts. It is when the different elements of matter, like atoms and ions, combine together in fixed proportions (law of definite proportions).
    Option $$A$$ is correct.
  • Question 5
    1 / -0
    A solution is defined as a:
    Solution

    A solution is a homogeneous mixture of two or more substances. Its composition is the same throughout, i.e. concentration of the substances is the same.  A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout a given sample.

  • Question 6
    1 / -0
    _________is present in a lesser amount in a solution.
    Solution
    Option A is the correct answer. 
    Because, according to the definition, the substance which is present in a lesser amount in a solution is known as solute.
  • Question 7
    1 / -0
    Which one of the following is a pure substance?
  • Question 8
    1 / -0
    A pure substance is:
    Solution
    A pure substance is a material that has a constant composition (is homogeneous) and has consistent properties throughout the sample.
  • Question 9
    1 / -0
    Gum is an example of :
    Solution
    Gum, milk, blood etc. are examples of colloid they are homogeneous looking heterogeneous mixtures.
  • Question 10
    1 / -0
    The method by which we separate a mixture of pure liquids based on the difference in their boiling points is known as:
    Solution
    Option $$B$$ is the correct answer.
    By definition, distillation is the process of separating a mixture of pure liquids based on their difference in boiling points.
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