When a Candle burns Both physical
burns Both physical and chemical
change take place Identify these changes.
Give another example of a familier lorocess
In which both the chemical and physical
change take place
please answer this
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When a Candle burns Both physical
burns Both physical and chemical
change take place Identify these changes.
Give another example of a familier lorocess
In which both the chemical and physical
change take place
please answer this
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Answer:
Since, it again turns into solid wax on cooling. The change is reversible. Chemical changes in burning candle The wax near to flame burns and gives new substances like carbon dioxide, carbon soot, water vapours, heat and light. Cooking of food, boiling of eggs are examples of both physical and chemical changes.
When a candle burns, both physical and chemical changes take place.
Physical change → Melting of wax
Chemical change → Burning of wax
Eating of food is another example where both physical and chemical changes occur simultaneously.
Physical change → Breaking down of larger food particles into smaller particles
Chemical change → Digestion of food