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7th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases and Salts

  • question_answer
    Which one of the following salts is used for making detergent powder?

    A) Washing soda 

    B) Potassium nitrate

    C) Sodium bicarbonate   

    D) Common salt

    Correct Answer: A

    Solution :

    Washing soda (sodium carbonate) is used for making detergent powder.


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