UPSC Chemistry Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acids, Bases, Salts and Metals

  • question_answer
          Which one among the following is a double salt? [NDA]

    A) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    B) \[{{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\]

    C) \[CuS{{O}_{4}}.5{{H}_{2}}O\]

    D) \[NaCl\]

    Correct Answer: B


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