πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!


    Question

    What happens if an iron nail gets immersed in CuSO4

    solution for few minutes?
    A no reaction takes place Correct Answer Incorrect Answer
    B the colour of solution fades away Correct Answer Incorrect Answer
    C the colour of solution changes to green Correct Answer Incorrect Answer
    D the surface of iron nails acquire a black coating Correct Answer Incorrect Answer

    Solution

    When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.

    Practice Next

    Relevant for Exams:

    ask-question
    9