7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer Acid reacts with metal to form:

    A)  \[\text{salt+C}{{\text{O}}_{\text{2}}}\]                

    B)  salt + water

    C)  \[\text{salt+}{{\text{O}}_{\text{2}}}\]                               

    D)  \[\text{salt+}{{\text{H}}_{\text{2}}}\]

    Correct Answer: D

    Solution :

     \[\text{Zn+2HCl}\to \text{ZnC}{{\text{l}}_{\text{2}}}+{{H}_{2}}\uparrow \]

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