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    Question

    What are the elements which are liquids at room

    temperature and standard pressure?  1. Helium 2. Mercury 3. Chlorine 4. Bromine Select the correct answer using the codes given below 
    A 2 and 3 Correct Answer Incorrect Answer
    B 2, 3 and 4 Correct Answer Incorrect Answer
    C 2 and 4 Correct Answer Incorrect Answer
    D 1 and 3 Correct Answer Incorrect Answer

    Solution

    Mercury (Hg), a metal is a liquid at room temperature and standard pressure. Bromine (Br₂ ) a non metal is a liquid at room temperature and standard pressure. 

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