12th Class Chemistry Chemistry in Everyday Life

  • question_answer 31) If water contains dissolved calcium hydrogen carbonate,out of soaps and synthetic detergents which one will you use for cleaningclothes? 

    Answer:

    Calcium hydrogen carbonate reacts with soap to forminsoluble compound. It reduces the cleaning capacity of the soap. Synthetic detergents do not form such compounds so they can be usedfor cleaning clothes with water containing dissolved .    

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