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Consider the following statements Hard...

Consider the following statements
Hard water does not give lather with soap because hard water contains:
(1) calcium bicarbonate
(2) magnesium bicarbonate
(3) chlorides of calcium
(4) sulphates of calcium and magnesium.
Which of these statements are correct ?

A

1 and 2

B

3 and 4

C

1,2 and 3

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
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