Classify these changes into physical and chemical changes. [5 MARKS]

S.No Change

1 Melting of Ice

2 Dissolving sugar in water

3 Burning rubber

4 Burning camphor

5 Melting Wax

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Solution

Each correct answer: [1 Mark]

S.No Change Type of Change

1 Melting of Ice Physical

2 Dissolving sugar in water Physical

3 Burning rubber Chemical

4 Burning camphor Chemical

5 Melting Wax Physical

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Similar questions

Classify the following examples into physical or chemical change. [1 MARK]

1) Photosynthesis and burning of coal

2) Dissolving sugar in water and melting of wax

Classify the changes involved in the following processes as physical or chemical changes:

(a) Photosynthesis

(b) Dissolving sugar in water

(d) Melting of wax

(e) Beating aluminium to make aluminium foil

(f) Digestion of food

Q. Group the following into physical change and chemical change.

Dissolving salt in

H_{2} O,

burning of a fuel, rusting or iron, melting of ice cube.

Classify the following as a physical or a chemical change :

(a) Drying of wet clothes

(b) Manufacture of salt from seawater.

(d) Boiling of water

(e) Burning of paper

(f) Melting of wax

(g) Burning of coal

Q. Which of the following are physical changes and which are chemical changes ?
Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper.

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S.No	Change
1	Melting of Ice
2	Dissolving sugar in water
3	Burning rubber
4	Burning camphor
5	Melting Wax

S.No	Change	Type of Change
1	Melting of Ice	Physical
2	Dissolving sugar in water	Physical
3	Burning rubber	Chemical
4	Burning camphor	Chemical
5	Melting Wax	Physical

Classify these changes into physical and chemical changes. [5 MARKS] S.No Change 1 Melting of Ice 2 Dissolving sugar in water 3 Burning rubber 4 Burning camphor 5 Melting Wax

Each correct answer: [1 Mark] S.No Change Type of Change 1 Melting of Ice Physical 2 Dissolving sugar in water Physical 3 Burning rubber Chemical 4 Burning camphor Chemical 5 Melting Wax Physical

Classify these changes into physical and chemical changes. [5 MARKS]

S.No Change

1 Melting of Ice

2 Dissolving sugar in water

3 Burning rubber

4 Burning camphor

5 Melting Wax

Each correct answer: [1 Mark]

S.No Change Type of Change

1 Melting of Ice Physical

2 Dissolving sugar in water Physical

3 Burning rubber Chemical

4 Burning camphor Chemical

5 Melting Wax Physical