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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Sodium salts of some acids are very useful as food preservatives. Suggest a few such acids.

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प्रश्न

Sodium salts of some acids are very useful as food preservatives. Suggest a few such acids.

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उत्तर

Sodium salts of benzoic acid, sorbic acid and propanoic acid, etc., are used as food preservatives.

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अध्याय 16: Chemistry In Everyday Life - Multiple Choice Questions (Type - I) [पृष्ठ २३५]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 16 Chemistry In Everyday Life
Multiple Choice Questions (Type - I) | Q 74 | पृष्ठ २३५

संबंधित प्रश्न

Define antioxidants?


Draw structure of BHT.


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.


What are food preservatives?


What are artificial sweetening agents? Give two examples.


Seeing the growing cases of diabetes and depression among children, Mr. Chopra, the principal of one reputed school organized a seminar in which he invited parents and principals. They all resolved this issue by strictly banning the junk food in schools and by introducing healthy snacks and drinks like soup, lassi, milk etc. in school canteens. They also decided to make compulsory half an hour physical activities for the students in the morning assembly daily. After six months, Mr. Chopra conducted the health survey in most of the schools and discovered a tremendous improvement in the health of students.

After reading the above passage, answer the following questions :

(i) What are the values (at least two) displayed by Mr. Chopra ?

(ii) As a student, how can you spread awareness about this issue ?

(iii) Why should antidepressant drugs not be taken without consulting a doctor ?

(iv) Give two examples of artificial sweeteners.


Write one example each of Artificial sweetener.


Which of the following will not enhance nutritional value of food?


Sugar is the main source of energy as it produces energy on metabolic decomposition. But these days low calorie drinks are more popular, why?


Name an artificial sweetener which is derivative of sucrose.


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.


Of the following properties about thiosulphate, which one is not applicable?


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 ______.


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