Question

Classify the following into chemical changes and physical changes.
Are not usually reversible.
One or more new objects are formed.
No sound or gas is produced.
The shape or dimension of the object changes.
New smell is not produced.
Heat or radiation is produce.​

Answer 1

Answer:

chemical change -Are not usually reversible.

Answer 2

Answer:

1. chemical change.
2. chemical change.
3. physical change.
4. chemical change.
5. physical change.
6. chemical change.

Explanation:

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