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Question

A mixture does not have definite physical and chemical properties.


A
True
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B
False
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Solution

The correct option is A True
  • A mixture does not have definite physical and chemical properties.
  • There is no energy absorbed or released during the formation of a mixture.
  • The constituents of a mixture are not present in a definite ratio.
  • The composition of a mixture is variable.
  • For instance, the amount of carbon dioxide and water vapor present in the air may vary from place to place.
  • There is no chemical reaction taking place amongst the constituents of a mixture.
  • The forces of attraction holding the constituents are weak due to which the constituents can be separated using simple methods.
  • For example, we can separate a mixture of sand and water by filtration.
  • The constituents of a mixture retain their original properties. For example, air supports combustion due to the presence of oxygen which is one of its constituents.
  • A mixture does not have a fixed melting or boiling point.

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