Answer:
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. The composition of magnesium changes.
1. It is an irreversible change, as after burning the ribbon cannot be unburnt.
2. A new product is formed with new properties, i.e. MgO.
3. The composition of magnesium changes.
4. Heat energy is required for this chemical change
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Answer:
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. The composition of magnesium changes.
Answer:
1. It is an irreversible change, as after burning the ribbon cannot be unburnt.
2. A new product is formed with new properties, i.e. MgO.
3. The composition of magnesium changes.
4. Heat energy is required for this chemical change
please mark me as brainlist :))