10th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    Fill in the blanks with the correct option.
        Salt Obtained from
    Name of the salt       Formula Base Acid
    (i) Magnesium nitrate \[Mg{{(N{{O}_{3}})}_{2}}\] A \[HN{{O}_{3}}\]
    (ii) Potassium sulphate \[{{K}_{2}}S{{O}_{4}}\] B C
    (iii) Calcium nitrate \[Ca{{(N{{O}_{3}})}_{2}}\] \[Ca{{(OH)}_{2}}\] D
     

    A) \[A:Mg{{(OH)}_{2}},\,\,B:KOH,\,\,C:{{H}_{2}}S{{O}_{4}},\,\,D:HN{{O}_{3}}\]

    B) \[A:MgO,\,\,B:KOH,\,\,C:{{H}_{2}}S{{O}_{4}},\,\,D:HN{{O}_{3}}\]

    C) \[A:Mg{{(OH)}_{2}},\,\,B:{{K}_{2}}S{{O}_{4}},\,\,C:{{H}_{2}}S{{O}_{4}},\,\,D:HN{{O}_{3}}\]

    D) \[A:Mg{{H}_{2}},\,\,B:KOH,\,\,C:{{H}_{2}}S{{O}_{4}},\,\,D:HN{{O}_{3}}\]

    E) None of these

    Correct Answer: A


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