11th Class Chemistry Hydrogen & Its Compounds / हाइड्रोजन और इसके यौगिक Question Bank 11th CBSE Chemistry Hydrogen & Its Compounds

  • question_answer
    Why cannot water be used to extinguish petrol fire?

    Answer:

                    Petrol lighter than water and the two are immiscible. When water is sprayed over petrol, the latter floats over water and its vapours still burn.


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