Question

Classify the following into chemical changes and physical changes. (06)

 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

Explanation:

1. chemical

2. chemical

3. physical

4.physical or chemical(both)

5. physical

6. chemical

Answer 2

Answer:

1)are not usually reversible: chemical changes.

2)one or more new object is formed : chemical changes.

3)no sound or gas is produced: physical changes.

4)the shape or dimensions of objects changes: chemical changes.

5)new smell is produced : chemical changes.

6)heat or radiation I produced: chemical changes.

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