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Question
On burning candle is undergoes both physical and chemical change?
On burning candle is undergoes both physical and chemical change?
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Solution
The correct option is A Yes
When a candle burns, both physical & chemical changes occur.
1. When a candle is burnt and the wax melts changing from solid to liquid state is referred to as physical change.
2. Burning of candle melts the wax and hence the physical state of wax has changed from solid to liquid.
3. Then the wax combines with the oxygen in the atmosphere and changes to CO2 , heat & light.
4. Hence both physical and chemical changes take place with the burning of the candle.
The correct option is A Yes
When a candle burns, both physical & chemical changes occur.
1. When a candle is burnt and the wax melts changing from solid to liquid state is referred to as physical change.
2. Burning of candle melts the wax and hence the physical state of wax has changed from solid to liquid.
3. Then the wax combines with the oxygen in the atmosphere and changes to CO2 , heat & light.
4. Hence both physical and chemical changes take place with the burning of the candle.
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