Question

(b
x Chemica es
State whether the following statements are true or false.
(1) Dissolving of sugar in water is a chemical change.
() Cutting of wood is a physical change.
(ii) Rusting of iron can be prevented by wrapping the iron materials with paper
(iv) Stainless steel is an alloy.
(v) Copper sulphate crystals are blue in colour.
(vi) Formation of manure from leaves is a physical change.
(vii) Iron pipes coated with zinc do not get rusted easily.
(viii) iron and rust are the same substance.​

Answer 1

1. False

2. False

3. False

4. True

5. True

6. False

7. True

8. False

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Answer 2

Answer:

iv true

v true

vi false

vii true

viii false