Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-18

  • question_answer
    Which of the following is a base?

    A)  \[{{K}_{2}}S{{O}_{4}}\]        

    B)  \[NaCl\]

    C)  \[{{H}_{3}}PO\]         

    D)  \[NaOH\]

    Correct Answer: D


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