A. VERY SHORT ANSWER TYPE QUESTIONS
1. State whether the following statements are true or false.
(a) Melting of butter is a physical change.
(b) Iron and rust are the same things.
(c) Cutting of a log of wood is a chemical change.
(d) When zinc reacts with dilute sulphuric acid, hydrogen gas is released.
(e) A physical change is irreversible whereas
a chemical change is reversible.
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