Science, asked by anjanidasila88, 5 hours ago

classify the changes involved in the following processes as physical or chemical change with reason- (a) ripening of fruit (b) burning of wood (c) cutting of paper (d) rusting of iron

Please tell these questions answer with reason-​

Answers

Answered by seemarao781
1

Answer:

Physical change – A substance is said to undergo a physical change when only the physical properties such as the shape, size, colour, state or appearance of the substance change. Its chemical composition remains intact.

 Chemical change – A substance is said to undergo a chemical change when the chemical properties of a substance alter. As a result, there is either formation or breaking of atomic bonds at the molecular level.

(a) Cutting of trees – Physical change

(b) Melting of butter in a pan – Physical change

(c) Rusting of almirah – Chemical change

(d) Boiling of water to form steam – Physical change

(e) Passing of electric current through water and the water breaking down into hydrogen and oxygen gases – Chemical change

(f) Dissolving common salt in water – Physical change

(g) Making a fruit salad with raw fruits – Physical change

(h) Burning of paper and wood – Chemical change

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