Question

Match A with B (write correct answer in B column)
COLUMN A
COLUMN B
(a) Irreversible change
(i) Needs mixing of two substances
(b) Reversible change
(ii) Needs heating
(c) Sawing of a piece of wood (iii) Chemical change a
(d) Ripening of mango
(iv) A new substance is formed b
(e) Melting of wax
(v) Physical change
(f) Formation of a sugar solution (vi) No new substance is formed
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Answer 1

Answer:

melting of wax

Explanation:

no about