Question

1. Magnesium (Mg) + Oxygen (0²) ►
2. Magnesium oxide (MgO) + Water (H²0) ►
3
Carbon dioxide (CO²) + Lime water Ca(OH)2 →
4. Iron (Fe) + Oxygen (0, from the air) + Water (H²O) →
5. Copper sulphate solution (CuSo⁴) + Iron (Fe) →
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Answer 1

Answer:

1. Magnesium oxide

2. Mg(OH)2)

3.calcium hydrogen carbonate.

4.Fe + O2 + H2O => Fe2O3 (Ferric Oxide or rust)

5.Fe(s) + CuSO4 (aq) ! FeSO4 (aq) + Cu(s)

Fe(s) + Cu+2(aq) ! Fe+2(aq) + Cu(s)

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