BHU PMT BHU PMT (Screening) Solved Paper-2009

  • question_answer
    Glauber's salt is

    A)  \[N{{a}_{2}}S{{O}_{4}}.10{{H}_{2}}O\]  

    B)  \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}.5{{H}_{2}}O\]

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

    D)  \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}.10{{H}_{2}}O\]

    Correct Answer: A

    Solution :

                     Formula of compound Name of compound \[N{{a}_{2}}S{{O}_{4}}.10{{H}_{2}}O\]                    Glauber's salt \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}.5{{H}_{2}}O\]                       Hypo \[CuS{{O}_{4}}.5{{H}_{2}}O\]                      Blue vitriol \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}.10{{H}_{2}}O\]    Borax


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