NEET Chemistry Chemistry in Everyday Life Questions Solved

BOARD

What are the following substances ? Give one exmaple of each.                  (3 marks)

 (i) Food preservatives

 (ii) Synthetic detergents

(iii) Antacids

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

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

 

 (ii) Synthetic detergents : Synthetic detergents are cleansing agents which have all the proper-

       ties of soap but which actually do not contain any soap.

       Example : Sodium lauryl sulphate         ( or any one other )

 

(iii) Antacids : The substances which neutralize the excess acid and raise the pH to an appropriate

      level in the stomach are called antacids.

      Example : Sodium bicarbonate, Ranitidine etc.

Difficulty Level:

  • 91%
  • 10%
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