NEET Chemistry Chemistry in Everyday Life Questions Solved

BOARD

Explain the following terms with a suitable example for each :               (3 marks)

 (i) Disinfectants         

 (ii) Antacids

(iii) Food preservatives

 (i) Disinfectants : These are the chemical substances which are used for killing or preventing the

      growth of micro-organisms but they are not safe not living tissues.

 

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

      level in stomach are called antacids.

      Example : Sodium bicarbonate, Mg(OH)2

 

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

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

Difficulty Level:

  • 90%
  • 5%
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