Question

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Answer 1

Answer:

Magnesium ribbon should be cleaned in order to remove the layer of magnesium oxide to get desired chemical reaction........

Explanation:

(i) H2 + 2Cl = 2HCL .

(ii) 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3.

(iii)  2Na+2H2O→2NaOH+H2.

(i) BaCl2(aq) + Na2SO4(aq) ➝ BaSO4(s) + 2NaCl(aq)..

(ii) NaOH + HCl = NaCl + H2O..

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Answer 2

Answer:

(1)- H2+ 2CI = 2HCL

(2)- 3BACI2 +AI2(SO4)3 = 3BASO4

2AICI3