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Uses of Slaked Lime

KO 2 +S A BaC...

Question

$K O_{2} + S △ \to (A) B a C l_{2} - --- \to (B) (w h i t e p p t) C a r b o n - --- \to △ (C) H C l - -- \to D (g a s)$ (D) gas turns lead acetate paper black.
(A) to (D) are
(A) $: K_{2} S O_{4}$
(B) $: B a S O_{4}$
(C) $: B a S$
(D) $: H_{2} S$
If true enter 1, else enter 0.

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Solution

The reactions are as shown below.
$K O_{2} + S △ \to K_{2} S O_{4} (A) B a C l_{2} - --- \to B a S O_{4} (B) (w h i t e p p t) C a r b o n - --- \to △ B a S (C) H C l - -- \to H_{2} S (D, gas)$
$H_{2} S (D)$ gas turns lead acetate paper black.
Thus, (A) to (D) are
(A) $: K_{2} S O_{4}$
(B) $: B a S O_{4}$
(C) $: B a S$
(D) $: H_{2} S$

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