Which of the following are physical changes and which are chemical changes?
(a) Burning of a magnesium wire
(b) Freezing of water
(c) Rusting of iron
(d) Glowing of an electric bulb

Academic Chemistry NCERT Class 9

(a) Burning of a magnesium wire

(b) Freezing of water

(c) Rusting of iron

(d) Glowing of an electric bulb

Chemical change

Physical change

Chemical change

Physical change

Updated on: 10-Oct-2022

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