Buffer solution is prepared by mixing:

Strong acid + its salt of strong base

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Weak acid + its salt of strong base.

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Strong acid + its salt of weak base

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None of the above

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Solution

The correct option is B Weak acid + its salt of strong base.
Acidic buffer solution is prepared by mixing a weak acid and its salt with strong base.
Fro example, a mixture of acetic acid (a weak acid) and sodium acetate (salt with strong base sodium hydroxide) acts as buffer.

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Buffer solution is prepared by mixing:

The correct option is B Weak acid + its salt of strong base.Acidic buffer solution is prepared by mixing a weak acid and its salt with strong base. Fro example, a mixture of acetic acid (a weak acid) and sodium acetate (salt with strong base sodium hydroxide) acts as buffer.

The correct option is B Weak acid + its salt of strong base.
Acidic buffer solution is prepared by mixing a weak acid and its salt with strong base.
Fro example, a mixture of acetic acid (a weak acid) and sodium acetate (salt with strong base sodium hydroxide) acts as buffer.