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Question 4. When a magnesium ribbon is burnt in air, the ash formed is (a) black (b) white (c) yellow (d) pink

Question 4.
When a magnesium ribbon is burnt in air, the ash formed is
(a) black
(b) white
(c) yellow
(d) pink

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
(b)When a Mg ribbon is burnt in air, the ash formed is of magnesium oxide which is white in colour. 2Mg(r) + O2(g) → 2MgO(f)

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