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Buffer Solutions

A solution wh...

Question

A solution which maintains constant pH when small amounts of acid or alkali are added is known as ____.

A

Indicator

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B

Buffer

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C

Amphoteric

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D

Neutral

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Solution

The correct option is C Buffer
A buffer solution is one which resists changes in pH when small quantities of an acid or an alkali are added to it.

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Q. Mark the appropriate choice to fill up the blanks in the given paragraph.

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(i)

___. A mixture of acetic acid and sodium acetate acts as ___

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___ and a mixture of ammonium chloride and ammonium hydroxide acts as ___

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Q. In some solutions, the concentration of

H_{3} O^{+}

remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

Q. The solutions which tend to keep the concentration of hydrogen ions constant, even when small amounts of strong acid or strong base are added to them, are known as:

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changes. Reason: Addition of acid or base increases the ionization of water.

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