SAMPLE PAPER U.P BOARD CLASS 12 CHEMISTRY PART II

-12  U ߙ (m ˜)

 

3 U                                                                                          Z 35

 

(I)    UU U U

          (II)    }

          (III)  ׷ S ߢ U U U 跤U 

 

. 1- U U ߷ U U ߷ ٷU } ܹ

          () · H2So4 v  U UU U                    1x3

                   (i) Al2O3 (ii) Cr2O3 (iii) V2O5 (iv) MnO2

          () U

                   (i)  ַU U U U U

                   (ii) ַU Ȥ U U

                   (iii) ַU Ȥ U U

                   (iv) U

          ()  H2S Ph U

                   (i) >7 (ii) <7 (iii) 7 (iv) 0

 

. 2-  () UUU U  2

          () (Enzymes) UU v U                          1

 

. 3-  () ߇ Ȥ v բ U U       2

          () U 50 U U   UU U, SU                     1

 

. 4-  () U ܹ                      1

          () (Enthalpy) U U? U բ         1

          () U (ȤU ) U U                 1

 

. 5-  () U B1   U                1

                   (i) S U (ii) (iii) U (iv) U

          () ِ 緤ⷤ U U U                   1

                   (i) ˷U (ii) (iii) ȤUU (iv)

          () ِ ?              1

                                                     O O

                                           ii ii

                    (1) CH3-CH2-C-C-H  (b)CH2=CH-CH2-C=CH

 

. 6-  () UUUU ߢ ߃ ߢ UU ߢ U    1

          () K v U K mU 0.30   270 U 756                  U 32.4 װ U U U               3

          ()         2

 

.7-   () UUU U             2

          () ِ U                  1/2 +1/2

                   (i) U-2 ߢ U

                   (ii) n-U ߢ 2- U

          () v U                      1

 

. 8-  () U                       1+1

          (1) U U (2) U

          () v U U                       1+1

          (1) U c U v  U U

          (2) U U U

 

.9 -  () UUU ߢ      2

          () U   v U, 跤U                    1

 

.10 - U U ߇ U ߢ U    3

 

 

U

1. ˜ U U U U U U Uⷤ U M UU

2. U ط ǸU U U

3. U U U

4. U U緤 U , U U ܻ


U

v  U

 

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