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Give reasons for the following : (i) U...

Give reasons for the following :
(i) Use of aspartame as an artificial sweetener is limited to cold foods.
(ii) Metal hydroxides are better alternatives than sodiumk hydrogen carbonate for treatment of acidity.
(iii) Aspirin is used in prevention of heart attacks.

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(i) It is unstable at cooking temerature.
(ii) Excessive hydrogencarbonate can make the stomach alkaline and trigger the production of even more acid. Metal hydroxides being insoluble do not increase the pH above neutrality.
(iii) Aspirin has anti blood clotting action.
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-QUESTION PAPER (SECTION-C)
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