EAMCET Medical EAMCET Medical Solved Paper-2005

  • question_answer
    \[\text{Si}{{\text{O}}_{\text{2}}}\]is reacted with sodium carbonate. What is the gas liberated?

    A)  CO                                        

    B)  \[{{\text{O}}_{\text{2}}}\]

    C)  \[C{{O}_{2}}\]                                  

    D)  \[{{\text{O}}_{\text{3}}}\]

    Correct Answer: C

    Solution :

                     When silica is heated with metal carbonate, it form silicates. \[Si{{O}_{2}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{\Delta }N{{a}_{2}}Si{{O}_{3}}+C{{O}_{2}}\uparrow \]


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