7th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Which among the following is a basic salt?

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

    B) \[N{{H}_{4}}Cl\]

    C) \[N{{a}_{2}}C{{O}_{3}}\]

    D) \[NaCl\]

    E) None of these

    Correct Answer: C


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