Changes in Matter

Changes in Matter Worksheet-1

1. The reaction: Calcium hydroxide + Nitric acid  gives Calcium nitrate + Water

(a) Neutralization reaction

(b) Exothermic reaction

(c) Double decomposition reaction

(d) All of these

2. Rusting

(a) is a chemical change

(b) is more common in coastal areas

(c) involves the formation of iron sulphate

(d) involves the formation of iron chloride

Changes in Matter Worksheet-2

Fill in Blanks.

1. Breaking of glass is a ____ change.

2. Sugar turns into _____ on heating.

3. Burning of wood to ashes is _____ Change.

4. _____ is the fourth state of matter.

5. All liquids have a definite _____.

6. During a chemical change, rearrangement of ______ takes place.

True or False.

7. Formation of crystals of sugar from sugary syrup is a chemical change.

8. Steel does not rust easily.