Question

To prove that burning of magnesium ribbon is a chemical change
Answer in step by step please.

Answer 1

Answer:

Solution: Burning of magnesium ribbon in air is a chemical change because: It is an irreversible change, as after burning the ribbon cannot be unburnt. A new product is formed with new properties, i.e. MgO.

Burning of a magnesium ribbon in air is considered a chemical change because:

i. It is an irreversible change.

ii. New product is formed with different chemical properties i.e MgO.

iii. Composition of magnesium changes.

iv. Heat energy is required for this reaction to occur.

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Answer 2

Explanation:

Solution: Burning of magnesium ribbon in air is a chemical change because: It is an irreversible change, as after burning the ribbon cannot be unburnt. A new product is formed with new properties, i.e. MgO.

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