Question

Give reasons for the following.
(e) When using frozen food items one should take out only the required
quantities; thawed food should never be refrozen.
(a) Yeast is added to the batter used to make dosas'.
(b) It is important to brush one's teeth before going to bed.
(c) Reducing the quantity of salt in pickle can cause it to go bad soon.
(d) Foods, from puffed or enlarged cans, should not be consumed.
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Answer 1

Answer:

e)When using frozen food items one should take out only the required quantities thawed food should never be refrozen, as while putting a thawed piece of steak or brick of cheese back into the freezer might lead to some changes in taste or texture, it's perfectly safe and poses no risks to your health

a)Yeast is added to dosa's batter so that the process of fermentation can take place. The process of fermentation takes around 8 hours and so it is suggested to keep the batter of dosa for 8 hours before preparing one. Fermented dosa's are good for health as they help is digestion and are good for cholesterol as well

b)mouth_patrol_brush_your_teeth_before_going_to_bed. It's very important to brush your teeth every night right before going to bed. While you sleep, all the nasty bacteria feed away at your teeth, eventually creating holes (cavities) and leaving you without your teeth.

c)Answer. Sugar and salt reduce the water content and make it unavailable for the growth of microorganisms. As a result,the foods get preserved. That's why pickles are preserved by the addition of specific quantities of salt.

d)Food from puffed or enlarged cans should not be consumed because sometimes it is not only the hydrogen gas inside the cans that has resulted in its swelling. ... They give off carbon dioxide which spoils the food inside the can and also results in its swelling. This food is harmful for health

Explanation:

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