7. Which of the following is physical changes?
(a) Growth of a plant
(b) Rusting of iron
(c) Mixing of iron filings and sand
(d) Cooking of food
Answers
Answered by
2
Answer:
Mixing of iron filling and sand
Answered by
2
Answer:
(c) mixing of iron fillings and sand
Explanation:
Iron fillings can be separated from sand using a magnet
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