Question

identify physical and chemical changes in a) rusting b) ripening of fruit c) cutting fruit d) growth​

Answer 1

Answer:

✏ Rusting : Chemical Change.

✏ Ripening of fruit : Chemical Change.

✏ Cutting fruit : Chemical Change.

✏ Growth : Physical and Chemical both.

hope it helps uH

Answer 2

Answer:

a) Chemical change

b) Chemical change

c) Physical change.

d) Chemical

MORE TO KNOW -

• Changes in which no new substanced formed. the original identity of the substance remain unchanges is called physical change.

• Cutting of fruit is physical because in this the nature , identity of the substace is same. only the physical apperance is changes.

• Changes in which new substance formed and the nature , identity of the original substances change is called Chemical changes .

• Rusting is chemical change because in it the nature , identity , colour and chemical composition of original substance changes.

• In growth also chemical changes happen.

more example of chemical changes -

• Digestion

• photosynthesis

• Cooking

it is irreversible change.

physical change is reversible.

Common types of chemical changes -

i) Combination

ii) Decomposition

iii) Displacement

iv) Double - Displacement

v) Redox reaction

vi) Exothermic

vii) Endothermic