English Medium इयत्ता ९ - CBSE Question Bank Solutions for Science

If 25 mL of acetone is present in 150 mL of its aqueous solution, calculate the concentration of solution.

What happens when the temperature of a saturated sugar solution is increased ?

What happens when the temperature of a saturated sugar solution is increased ?

Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.

Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.

State whether the following statement is true or false :

Bread is an example of solid foam.

State whether the following statement is true or false :

Bread is an example of solid foam.

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.