Question

Assertion: Sodium chloride solution in water can be considered as a suspension Reason :The particle of a suspension can be seen by the naked eye.

Answer 1

Answer:

this is right answer

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Explanation:

True Solution is a homogeneous mixture of two or more substances in which substance dissolved (solute) in solvent has the particle size of less than 10-9 m or 1 nm. Simple solution of sugar in water is an example of true solution. Particles of true solution cannot be filtered through filter paper and are not visible to naked eye.

Colloidal Solution is a heterogeneous mixture in which particle size of substance is intermediate of true solution and suspension i.e. between 1-1000 nm. Smoke from a fire is example of colloidal system in which tiny particles of solid float in air. Just like true solutions, Colloidal particles are small enough and cannot be seen through naked eye.They easily pass through filter paper. But colloidal particles are big enough to be blocked by parchment paper or animal membrane.

blood, starch, ink : Colloidal Soln.

sugar sol., salt sol : true soln.

Answer 2

Assertion is false and reason is true .

• Sodium chloride solution in water can be considered as a true solution.

      We can not see NaCl particles in the solution because they get     completely dissolved in the water.

• In a suspension the particles are nor dissolved in the solution and can be seen by naked eyes.