Railways General Science & Technology General Concepts of Chemistry Sample Paper General Concepts of Chemistry Sample Test Paper-22

  • question_answer
    To neutralise 20 ml of M/10 sodium hydroxide, the volume of M/20 hydrochloric acid required is

    A)  10 ml  

    B)  15 ml

    C)  20 ml  

    D)         40 ml

    Correct Answer: D

    Solution :

    [d] \[{{N}_{1}}{{V}_{1}}={{N}_{2}}{{V}_{2}}:20\times \frac{1}{10}=\frac{1}{20}\times V;V=40ml.\]


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