NEET Chemistry Chemistry in Everyday Life Questions Solved

BOARD

Answer the following questions :                     (3 marks)

 (i) Why do soaps not work in hard water ?

 (ii) What are the main constituents of dettol ?

(iii) How do antiseptics differ from disinfectants ?

 

 (i) Hard water contains insoluble calcium and magnesium chlorides which forms insoluble 

     precipitate (scum) with soap and thus cannot be rinsed off easily.

 

 (ii) Dettol is mixture of chloroxylenol and α-terpineol in a suitable solvent.

 

(iii) 

      

 

Difficulty Level:

  • 88%
  • 7%
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