Available Answers

1. 1.

   Tick (√) the correct option.

   1. The substance that gets dissolved in a solution is called ___________.
      1. solute
      2. solvent
      3. both a and b
      4. none of these
   2. Mixing of oil and water is an example of:
      1. immiscible liquids
      2. miscible liquids
      3. boiling
      4. none of these
   3. The method used to separate insoluble substances from a liquid by passing the mixture through a filtering device is called _____________.
      1. sedimentation
      2. decantation
      3. boiling
      4. filtration
   4. A storm accompanied by thunder and rain is called ______________.
      1. storm
      2. wind
      3. thunderstorm
      4. thunder
   5. _____________ allows good airflow and lets any unwanted smell and pollutants out of the house.
      1. Closed space
      2. Ventilation
      3. Thunder
      4. Rain
   6. This gas is used in the making of fluorescent bulbs and tubes.
      1. Oxygen
      2. Argon
      3. Nitrogen
      4. Carbon dioxide
2. 2.

   Answer in one/two words.

   1. Matter is made up of these smaller particles.
   2. Aerated drinks contain this gas.
   3. The process of shifting the clear liquid without disturbing the sediments.
   4. A special apparatus used for distillation.
   5. A process in which soluble substances such as salt in water can be separated using heat.
   6. A gentle wind.
   7. The cool air from the sea moves towards the land and takes its place.
   8. The moist air that moves from the sea towards the land during summer.
   9. The movement of fresh air in a closed space.
3. 3.

   Fill in the following table.

   Material	Solid, Liquid or Gas	Particle Arrangement (Draw)	Rigid (Yes/No)	Fixed Shape (Yes/No)	Fixed Volume (Yes/No)
   Pen
   Water
   Air-filled ballon

    

4. 4.

   Complete the concept map.

   

5. 5.

   Distinguish between Solute and Solvent.

6. 6.

   Distinguish between Miscible and Immiscible liquids.