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NEET Sample Paper NEET Sample Test Paper-20

  • question_answer
    Which is used to produce smoke screens?

    A)  Calcium phosphide

    B)  Sodium carbonate

    C)  Zinc phosphide

    D)  Zinc sulphide

    Correct Answer: A

    Solution :

    Calcium phosphide is used to produce smoke screens. Hence, the correct option is (a).


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