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Question
Which of the following are not used as food preservatives?
(i) Table salt
(ii) Sodium hydrogencarbonate
(iii) Cane sugar
(iv) Benzoic acid
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Solution
(i) Table salt
(iii) Cane sugar
Explanation:
Table salt and cane sugar are used, as food preservatives while sodium hydrogen carbonate and benzoic acid are not used as food preservatives.
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Seeing the growing cases of diabetes and depression among young children, Mr Lugani, the principal of one reputed school, organised a seminar in which he invites parents and principals. They all resolved this issue by strictly banning junk food in schools and introducing healthy snacks and drinks like soup, lassi, milk etc. in school canteens. They also decided to make compulsory half an hour of daily physical activities for the students in the health survey in most of the school and discovered a tremendous improvement in the health of the students
After reading the above passage, answer the following questions:
(i) What are the values (at least two) displayed by Mr Lugani?
(ii) As a student, how can you spread awareness about this issue?
(iii) What are antidepressant drugs? Give an example.
(iv) Name the sweetening agent used in the preparation of sweets for a diabetic patient.
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What are artificial sweetening agents? Give two examples.
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Write one example each of Antacids.
Why the use of alitame as an artificial sweetener is not recommended?
Pickles have a long shelf life and do not get spoiled for months, why?
What is the difference between saccharin and saccharic acid?
Name an artificial sweetener which is derivative of sucrose.
Name two α-amino acids which form a dipeptide which is 100 times more sweet than cane sugar?
Aspartame is unstable at cooking temperature, where would you suggest aspartame to be used for sweetening?
Sodium salts of some acids are very useful as food preservatives. Suggest a few such acids.
Assertion: All chemicals added to food items are called food preservatives.
Reason: All these chemicals increase the nutritive value of the food.
Assertion: Artificial sweeteners are added to the food to control the intake of calories.
Reason: Most of the artificial sweeteners are inert and do not metabolise in the body.
Which synthetic sweetener is 100 times sweeter than cane sugar?
The artificial sweetener that has the highest sweetness value in comparison to cane sugar is ______.
