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10th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    Balance the following equation. \[Al+{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+{{H}_{2}}\]

    A) \[2Al+3{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+{{H}_{2}}\]

    B) \[2Al+3{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+3{{H}_{2}}\]

    C) \[Al+3{{H}_{2}}S{{O}_{4}}\to A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+3{{H}_{2}}\]

    D) \[2Al+3{{H}_{2}}S{{O}_{4}}\to 2A{{l}_{2}}{{(S{{O}_{4}})}_{3}}+3{{H}_{2}}\]

    E) None of these

    Correct Answer: B

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