Q.

Which of the following represent a chemical change?
1. Magnetization of iron.
2. Condensation of liquid.
3. Burning of fuel.
4. Rusting of iron.
Select the correct answer using the codes given below.
(a)1 and 2
(b)2 and 3
(c)3 and 4 Right sign
(d)1 and 4
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