a 1. Most chemical changes are whereas most physical changes are 2. Mixing of iron and sulphur is a change, whereas heating of iron and sulphur is change. is formed when magnesium oxide is dissolved in water. 4. Rusting of iron is a boiling of milk is a change 5. Carbon dioxide gas turns limewater A 3. ce change, whereas H change takes place.
Answers
Answered by
0
Answer:
1. Many physical changes are reversible (such as heating and cooling), whereas chemical changes are often irreversible or only reversible with an additional chemical change.
2. mixing of iron and sulphur is a physical change. When iron filings and sulphur powder are mixed and heated they undergo a chemical reaction and form ferrous sulphide (FeS). Therefore, heating of mixture of iron and sulphur powder is a chemical change.
Explanation:
Similar questions