Question

1.
Give two differences between reversible and irreversible changes.
2.
'Formation of curd is an irreversible as well as a chemical change.' Justify
this statement.​

Answer 1

Explanation:

1) • no new product is formed in the

reversible changes whereas there is a

formation of a new substance in the irreversible changes

• most physical changes are reversible.

while all chemical changes are

irreversible

2) When a little curd is added to milk, the milk changes to curd, thus forming a new substance with a different chemical composition and properties. This curd cannot be changed back into milk, and thus, this change is permanent and irreversible.

Answer 2

Answer:

1.i)reversible change is temporary and irreversible change Is permanent change

2.yes formation of curd is irreversible change as it can't be in the form of milk and it Chemical because when the milk is changing into curd the atoms are interchange chemically

Explanation:

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