4. Which of the following is not a physical change?
(a) Melting of magnesium metal
(c) Mixing magnesium with magnesium oxide
(b) Burning of magnesium metal
(d) Adding magnesium into kerosene oil
Answers
Answered by
6
Answer:
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Explanation:
(a) Melting of magnesium metal
Answered by
3
Answer:
(b) burning of magnishium metal
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