Question

Long-Answer Questions
1. Give two examples to show that the mass of the individual substance(s) undergoing a chemical
change is altered.
2. State the differences between physical and chemical changes.
3. Discuss an example to show that physical and chemical changes can occur together.


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Answer 1

Answer:

Physical Change Chemical Change

Explanation:

The Change which is temporary and has no change in its new substance Eg:Tearing of paper

The change which is permanent and has changes in its new substance Eg:Burning Of Paper