Materials and Mixtures

Sugar is an example of (a)  

2. When two or more solids are mixed , the mixture formed is called (a)   mixture.

1. An impure substance is a.....

• A. pure.

• B. mixture.

• C. solvent.

• D. substance.

2. The mud that settles at the bottom during the process of sedimentation is...

• A. filtrate.

• B. decantation

• C. sediments.

• D. Residue

3. Write one difference between soluble and insoluble substances. Give an example each.

Answer explanation

substance that dissolves in solvent is called soluble substance. Ex: salt

Liquid that dissolves the solute.

Ex: Water

4. Why mushroom datsi is not a pure substance?

Answer explanation

Mushroom datsi is not a pure substance because it is the mixture of chilli, onion, cheese , salt , oil and water.

5. Define solid-liquid mixture. give one example.

Answer explanation

Mixture of solid and liquid i called solid -liquid mixture.

ex: Mud and water.