MEDIUM
Earn 100

Chemical is used for water softening to remove temporary hardness. reacts with sodium carbonate to generate caustic soda. When is bubbled through it turns cloudy. What is
(a)
(b)
(c)
(d)

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Important Questions on The s-Block Elements
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Match the following compounds (Column-I) with their uses (Column-II)
S. No. | Column-I | S.No. | Column-II |
(I) | (A) | casts of statues | |
(II) | (B) | white wash | |
(III) | (C) | antacid | |
(IV) | (D) | washing soda preparation |

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