Question

For example, rusting of iron 50
For example, dissolving Sol
balloon, etc
of coal, etc.
3. Most chemical changes are inte
3. Most physical changes are reversible changes.
CheckPoint 1
Write True or False,
1. Size, shape and colour are physical properties of a matter.
2. In a chemical change, a new substance is formed.
3. Boiling of water is an irreversible change.
Zinc granules do not react with hydrochloric acid.
me more chemical changes
us study some more chemical changes with the help of​

Answer 1

Answer:

hi

Explanation:

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