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प्रश्न
Pickles have a long shelf life and do not get spoiled for months, why?
उत्तर
Table salt, sugar vegetable oils and sodium benzoate, etc. are used as preservatives. These do not allow moisture and air to enter the material and hence, bacteria cannot thrive on them. Therefore, pickles do not get spoiled for months.
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संबंधित प्रश्न
Define antioxidants?
What are food preservatives?
Among the following, which one acts as a food preservative?
Aspartame, Aspirin, Sodium Benzoate, Paracetamol
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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.
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Name two α-amino acids which form a dipeptide which is 100 times more sweet than cane sugar?
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.
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 ______.
