Chemistry For Class IX (New Book ) - Chapter No. 6 - Solutions - Questions And Answers

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Chapter No.6- Solutions
Questions And Answers

Q.1: Write down comparison of the characteristics of Solution, Suspension and Colloid.
Ans: Difference (Comparison) of the characteristics of Solution, Suspension and Colloid.

S.NO.	Solution	Suspension	Colloid
1.	Particle size less than 1	Particle size greater than 1000 nm	Particle size 1 to 100 nm
2.	Homogeneous (particles dissolve uniformly)	Heterogeneous (particles settle down after sometimes)	Homogeneous and heterogeneous (Particles do not settle down for a long time)
3.	Particles cannot be distinctly seen with the naked eye.	Particles are big enough but can be seen with naked eyes.	Colloidal particles cannot be seen with the naked eye but can be seen through ultra microscope.
4.	Clear, transparent and homogeneous.	Cloudy, but uniform and homogeneous	Cloudy, heterogeneous, at least two substances visible.
5.	Transparent but often colored.	Translucent and often opaque but can be transparent	Often opaque, but can be transparent.
6.	Cannot be separated	Cannot be separated	Can be separated easily.
7.	Do not scatter light	Scatter light, but are not transparent	Scatter light (Tyndall effect)
8.	Particles can pass through filter paper	Particles pass through filter paper.	Particles do not pass through filter paper.