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  3. 11th Class
  4. Chemistry
  5. Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

11th Class Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

  • question_answer 76)
      Match the items of Column I with items of Column II and assign the correct code.
      Column 1 Column 11
    A.  Pendulum B.  Malachite C.  Calamine D.  Cryolite     1. Chrome steel 2. Nickel steel 3.   4.  5.
        Codes      A    B    C    D                                          A    B   C    D (a) 1    2    3    4                    (b) 2    4    5    3 (c) 2    3    4    5                    (d) 4    5    3    2

    Answer:

                          (b) A. ® (2)   B. ® (4)   C. ® (5)   D. ® (3) (a) Pendulum is made up of nickel steel. (b) Molecular formula of malachite is (c) Molecular formula of calamine is ZnC03. (d) Molecular formula of cryolite is Na3AIFg.


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