12th Class Chemistry Sample Paper Chemistry Olympiad Sample Paper-5

  • question_answer
    What is the disadvantage of using \[(N{{H}_{4}})S{{O}_{4}}\] as a fertilizer?

    A)  \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\], is water soluble.

    B)  \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\] decomposes slowly to \[N{{H}_{3}}\] and \[N{{H}_{4}}HS{{O}_{4}}\] in the soil.

    C)  \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\] increases the pH of the soil.

    D)  \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\] decreases the pH of the soil.

    Correct Answer: D


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