Question

Burning of petrol in an engine is is a physical change or a chemical change

Answer 1

Answer:

chemical change

Explanation:

• it is because it is irreversible change.
• In this change, the change occurs in molecules of the petrol.
• it cannot be said it is physically change as in physical change occurs in shape, body, appearance, etc . while in chemical new term or object is formed.
• The petrol is burned. so this is is chemical change as the change occurs in molecules and is changed to energy

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