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Assertion: All chemicals added to food are called preservatives.
Reason: All the chemicals increase the nutritive value of the food.
A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) Assertion is true but Reason is false
D) Both Assertion and Reason are false
E) Assertion is incorrect but the reason is correct.

Last updated date: 20th Jun 2024
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Hint: Many types of chemicals are added to the food to improve the texture or to improve the aroma. All these chemicals do not have any nutritional content nor it is used to preserve food for a longer duration.

Complete step by step answer:
If you observe the ingredients section of any packed food you will notice many types of chemicals written under that section.
Now some chemicals are used to preserve food, some are food colors, some are antioxidants, some are there to increase the nutritional content of the food, some are used to add flavors, some chemicals are used as the stabilizing agent, etc.
We know that there are only a few chemicals used as the preservative of the food and very few chemicals are added to increase the nutritional content of the food.
Hence we can say that both assertion and reason statements are false.

Therefore, we can conclude that the correct answer to this question is option D.

Additional information:
The preservation of food can be done by two methods one is the chemical method and another one is the physical method. The chemical method is when the chemical compound is added to the food to preserve it and the physical method when the temperature variation in the refrigerator or by heat preserves the food.
By adding the chemical preservative we can protect food from airborne microbes and increase the edibility of the food.

All chemicals cannot have the same properties such as preservatives or increasing the nutritional value. Every chemical has its own properties and the properties depend on the type of functional groups present in the chemical compound.