Chemistry, asked by preetyadavyadav16, 5 months ago

which of the following physical change
burning of megnisum
exposure of iron

Answers

Answered by pallapuvidhatri
0

(i) Mg+O ⟶MgO − chemical change

(ii) It is physical change, as the change can be reversed.

(iii) Chemical change as new substance are formed compound is formed.

(iv) Rusting is a chemical change since rust is formed (a new substance).

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