10th Class Science Sample Paper Science Olympiad Model Test Paper-3

  • question_answer
    Match the following:
    1. \[ZnO\] (A) Acidic oxide
    2. \[C{{O}_{2}}\] (B) Amphoteric oxide
    3. \[CO\] (C) Basic oxide
    4. \[N{{a}_{2}}O\] (D) Neutral oxide
     

    A) 1 - A,    2 - C,    3 - D,    4 - B

    B) 1 - B,    2 - A,    3 - D,    4 - C

    C) 1 - D,    2 - A,    3 - B,    4 - C    

    D) 1 - D,    2 - B,    3 - A,    4 - C

    E) None of these

    Correct Answer: B


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