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91.

Why are cimetidine and ranitidine better antacids than sodium hydrogencarbonate or magnesium or aluminium hydroxide?

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92.

Can aspartame be used as artifical sweetner by all people. Explain.

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Aspartame is limited to cold foods and soft drinks because it is unstable at cooking temperature.

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94.

What are artificial sweetening agents? Give two examples.

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95. What problem arises in using alitame as artificial sweetener?

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96. How are synthetic detergents better than soaps?

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97.

Explain the following terms with suitable examples:
(i) cationic detergents,
(ii) anionic detergents and
(iii) neutral detergents.

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98.

What are biodegradable and non-biodegradable detergents? Give one example of each.

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99.

Why do soaps not work in hard water?

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100.

Can you use soaps and synthetic detergents to check the hardness of water?

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