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  5. The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I

12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank MCQs - The p-Block Elements

  • question_answer
    It is recommended that ammonia bottle should be opened after cooling in ice for some time because

    A) it has high vapour pressure

    B) it comes out with brisk effervescence

    C) it is a corrosive fluid

    D) it vaporises at room temperature.

    Correct Answer: A

    Solution :

    Due to high vapour pressure the ammonia bottle may burst on opening, so it must be opened after cooling in ice for some time.


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