Q. PH can be kept constant with the help of

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Q. The buffers present in the blood contain

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Q. The enzyme (carbonic anhydrase) is used in

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Q. One of the best catalysts which increase the rate of reaction by million times is

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Q. In a human body, the pH of blood is maintained between

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Q. Rainwater has pH in unpolluted regions of

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Q. If a solution on addition of small amounts of acids or bases doesn't change significantly and maintains its ph, this type of solution is called a/an

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Q. Carbon dioxide in rainwater form dilute solution of a weak acid

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Q. CH₃COOH is a weak acid and unionized form of

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Q. An aqueous mixture of sodium ethanoate is a buffer solution in

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Q. Excessive addition of acid or alkalis cannot be handled by

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Q. Buffer solution play an important role in industrial processes like

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Q. Acidic oxides (non-metal oxides) of sulfur (S₈) and nitrogen (N₂) can fall pH of rainwater to

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Q. Enzymes are large molecules, generally made up of

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Q. Human enzymes start to denature at the temperature above

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Q. The enzymes in bacteria found in hot springs have an optimum temperature of

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Q. The enzymatic activity takes place at

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Q. Due to change in their shape, the enzymes no longer attach substrate leaving the enzyme as

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Q. The enzymes are denatured due to huge changes in

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Q. The mechanism of a catalyst is termed as

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