NEET Chemistry Chemistry in Everyday Life Questions Solved

BOARD

Describe the following substances with one suitable example of each type :          (3 marks)

 (i) Non-ionic detergents

 (ii) Food preservatives

(iii) Disinfectants

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

     between polyethylene glycol and steric acid.

     Example :

               

 

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

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

 

(iii) Disinfectants : Disinfectants are chemical compounds which kill microorganisms but are not

      safe when applied on living organisms.

      Example : Phenol, chlorine.

 

Difficulty Level:

  • 91%
  • 10%
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