Question

Write True or false. Rewrite the false statement.

i) Ripening of fruits is a physical change.

ii) Breathing of human being is a Chemical change.

iii) Camphor sublimates on heating.

iv) Heterogeneous mixture has uniform composition.

v) InSoluble solid substances can easily be separated from their solvents by

distillation.

vi) Distilled water is used for preparing medicines.

vii) In a mixture,no chemical reaction takes place.​

Answer 1

Answer:

I) false because it is a chemical change.

2) false because it is a physical change.

3) true because it sublime on heating.

4) true it has uniform composition.

5)true it can easily separated from their solvents by distillation.

6) true it is used for preparing medicines by surgeon.

7)false as both are different .not makes a reaction.

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