Question
Chemical changes are mostly irreversible.
Answer: Option A
:
A
A change in which new substance is formed, whose composition and properties are different from those of the original substance is known as a chemical change. The change is permanent and cannot be reversed. So, chemical changes are mostly irreversible and physical changes are reversible. Hence, the given statement is true.
Was this answer helpful ?
:
A
A change in which new substance is formed, whose composition and properties are different from those of the original substance is known as a chemical change. The change is permanent and cannot be reversed. So, chemical changes are mostly irreversible and physical changes are reversible. Hence, the given statement is true.
Was this answer helpful ?
Submit Solution