A buffer solution can be prepared from a mixture of (1).Sodium acetate and acetic acid in water (2).Sodium acetate and hydrochloric acid in water (3).

Monjur Alahi

A buffer solution can be prepared from a mixture of
(1).Sodium acetate and acetic acid in water
(2).Sodium acetate and hydrochloric acid in water
(3).ammonia and ammonium chloride in water
(4). Ammonia and sodium hydroxide in water.
The correct answer is :
A. `1,3,4`
B. `2,3,4`
C. `1,2,4`
D. `1,3`


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Salim Ahmed Kawsar

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Correct Answer - D
is the correct answer.

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