7th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    Choose the correct statement about the chemical reaction given below. \[N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}S{{O}_{4}}+{{H}_{2}}O+C{{O}_{2}}\]

    A) Sodium carbon reacts with hydroxide to form sodium oxide, water and carbon dioxide.

    B) Sodium cobalt reacts with nitric acid to form sodium nitrous, water and carbon dioxide.

    C) Sodium carbonate reacts with sulfuric acid to form sodium sulphate, water and carbon dioxide.

    D) All of these

    E) None of these

    Correct Answer: C


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