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Q.

Column-I Column-II
A) Na₂O + H₂O P) H₂
B) Na₂O₂ + 2H₂O Q) O₂
C) 2KO₂ + 2H₂O R) NaOH
D) 2Na + 2H₂O S) H₂O₂
(A) (B) (C) (D)
1) R RS QS PR
2) PS QS R Q
3) P Q R S
4) SQ PR S R

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a

1

b

2

c

3

d

4

answer is A.

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Detailed Solution

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A)	${Na}_{2} O + H_{2} O$	P)	$H_{2}$ is $Na + H_{2} O$ $\to NaOH + H_{2}$
B)	${Na}_{2} O_{2} + 2 H_{2} O$	Q)	O₂ is ${KO}_{2} + H_{2} O$ $\to KOH + O_{2}$
C)	$2 {KO}_{2} + 2 H_{2} O$	R)	NaOH is Na₂O + $H_{2} O \to NaOH$
D)	$2 Na + 2 H_{2} O$	S)	${Na}_{2} O_{2} + H_{2} O \to NaOH + H_{2} O_{2} is H_{2} O_{2}$

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