Page 76 - Viva ICSE Science 5 : E-book

3. ____________ change can usually be reversed.

4. Warm air is ____________ than cold air.

5. The moisture laden air above the sea is known as ____________.

B. Write (T) for true and (F) for false statements.

1. Liquids do not have fi xed shape and volume.

2. Solvent dissolves in solute.

3. Nitrogen is soluble in water.

4. Water on heating becomes gas.

5. Ventilation removes the excess moisture present in the air.

C. Match the following.

Column A Column B
1. Universal solvent (a) Water

2. Immiscible liquid (b) Petrol

3. Miscible liquid (c) Evaporation

4. Chemical change (d) Milk

5. Physical change (e) Rusting of iron

D. Tick () the correct answer.

1. Which of the following has the strongest force of attraction between its
molecules?

(a) Milk (b) Stone

(c) Nitrogen (d) Rubber band

2. What happens when you put sand in water?

(a) It dissolves (b) It fl oats

(c) It settles down (d) None of the above

3. Which of the following is immiscible in water?

(a) Milk (b) Butter

(c) Orange juice (d) Both (a) and (c)

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