Asked/Added Questions From NCERT:

  In certain mixtures the relatively large particles called the dispersed phase are distribution throughout a solvent like medium called dispersing medium. So one particle is an aggregation of several atoms or molecules or ions. These particles and mixture is called a colloids. 

-Answered by Himanshi Verma On 21 April 2019:11:07:35 AM

 No size of colloidal particles are to small to be individually seen by naked eyes.

-Answered by Himanshi Verma On 21 April 2019:10:56:14 AM

 Foam, shaving cream. 

-Answered by Himanshi Verma On 21 April 2019:10:56:25 AM

  Oxygen in water.

-Answered by Himanshi Verma On 21 April 2019:10:56:36 AM

 Particles of true solutions are too small to be visible.

-Answered by Himanshi Verma On 21 April 2019:11:12:03 AM

  Yes ,it makes its path visible. 

-Answered by Himanshi Verma On 21 April 2019:11:12:15 AM

 Coloured gemstone and milky glass are such sols.

-Answered by Himanshi Verma On 21 April 2019:11:12:26 AM

  It is a colloid of liquid in liquid,i.e.,milk, face cream.

-Answered by Himanshi Verma On 21 April 2019:11:12:37 AM

  A colloidal of liquid in solid is called gel. i.e., jelly, cheese,butter.

-Answered by Himanshi Verma On 21 April 2019:11:12:50 AM

 Any homogeneous mixture of two or more substances (solid, liquid or gases) is called solution .In solutions there is a homogeneity at micro level.

-Answered by Himanshi Verma On 21 April 2019:11:13:03 AM

 Materials of smaller particle size, insoluble in a solvent but visible to naked eye, give suspension.

-Answered by Himanshi Verma On 21 April 2019:11:13:20 AM

 They may or may not show Tyndall effect.

-Answered by Himanshi Verma On 21 April 2019:11:13:50 AM

  Matter is made up of small particles if a spoonfull of  salt is dissolved in a glass of water, the level of water does not change. 

-Answered by Himanshi Verma On 21 April 2019:11:13:34 AM

  Blood, milk and gum. etc.

-Answered by Himanshi Verma On 21 April 2019:11:14:03 AM