English Medium इयत्ता ९ - CBSE Question Bank Solutions for Science

State whether the following statement is true or false :

Sponge is an example of solid sol.

State whether the following statement is true or false :

Sponge is an example of solid sol.

Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol

Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol

Which of the following is a sol ?

Shaving cream, Milk, Fog, Soap solution, Hairspray

Which of the following is a sol ?

Shaving cream, Milk, Fog, Soap solution, Hairspray

Fill in the following blank :

Milk is a .................... solution but vinegar is a .................... solution.

Fill in the following blank :

Milk is a .................... solution but vinegar is a .................... solution.

Fill in the following blank :

A colloid is a ..............mixture and its components can be separated by the technique known as ...............

Fill in the following blank :

A colloid is a ..............mixture and its components can be separated by the technique known as ...............

Define solute.

Define solute.

Define solvent.

Define solvent.

What is the difference between solutions and colloids ?

What is the difference between solutions and colloids ?

In what respects does a true solution differ from a colloidal solution ?

In what respects does a true solution differ from a colloidal solution ?

Classify the following into true solutions and colloidal solutions:

Ink, Salt solution, Starch solution, Blood, Sugar solution

Classify the following into true solutions and colloidal solutions:

Ink, Salt solution, Starch solution, Blood, Sugar solution