Which of the following equation is an example of preparation of a base from metal?

2 M g_{(s)} + O_{2 (g)} \to 2 M g O_{(s)}

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M g_{(s)} + O_{2 (g)} \to M g O_{(s)}

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4 N a_{(s)} + O_{2 (g)} \to 2 N a_{2} O_{(s)}

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Both

(A)

and

(C)

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Solution

The correct option is B Both $(A)$ and $(C)$
Both $2 M g_{(a)} + O_{2 (g)} \to 2 M g O_{(a)}$ and $4 N a_{(a)} + O_{2 (g)} \to 2 N a_{2} O_{(a)}$ are examples of preparation of base from metals.

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Similar questions

Identify the oxidised and reduced substances in the following reaction:

$4 N a (s) + O_{2} (g) \to 2 N a_{2} O (s)$

2 M g + O_{2} (g) \to 2 M g O (s)

4 Na (s) + O_{2} (g) \to 2 {Na}_{2} O(s)

4 Na (s) + O_{2} (g) \to 2 {Na}_{2} O(s)

Which of the following is an oxidising agent in $2 M g + O_{2} (g) \to 2 M g O (s)$

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