NEET Chemistry Chemistry in Everyday Life Questions Solved

BOARD

What is meant by the following terms ? Explain with an example for each.             (3 marks)

 (i) Target molecules as used in medicinal chemistry

 (ii) Food preservative

(iii) Non-ionic detergents

 (i) Drugs interact with macromolecules like proteins, carbohydrates, lipids etc. and are called as

      target molecules.

 

 (ii) Food preservatives : They are used to prevent spoilage of food due to microbial growth.

      Example : Table salt, vegetable oils, sodium benzoate etc.

 

(iii) Non-ionic detergents : These are esters of high molecular mass alcohols obtained by

      reaction between polyethylene glycol and steric acid.

      Example :

               

Difficulty Level:

  • 72%
  • 14%
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