Chemistry MCQs Paper 11th Class Annual 2023 Objective New Course Paper 2023 Group 2nd Bahawalpur Board, Past Papers Group 2nd, First Annual Examination 2023 Solved Questions with Answers download Pdf Bahawalpur Board.
11th Class Chemistry MCQs Paper Annual 2023 ( Evening )
BISE Bahawalpur Board
Note : Four possible choices A , B , C D to each question are given. Which choice is correct fill that circle in front of that Question No. Use Marker or Pen to fill the circles. Cutting or filling two or more circles will result in Zero Mark in that Question.
1.The largest number of molecules are present in
(A) 3.6 g of H2O
(B) 4.8 g of C2H5OH
(C) 2.8 g of CO
(D) 5.4 g of N2O5
2. Isotopes differ in :
(A) Properties which depends upon mass
(B) Arrangement of Electrons in Orbitals
(C) Chemical Properties
(D) The extent to which they may be affected in electromagnetic field
3. The colour of Iodine in CCI4 solution is :
(A) Brown
(B) Purple
(C) Grey
(D) Black
4. The deviation of Gas from Ideal Behaviour is maximum at :
(A) -10° C and 5.0 atm
(B) -10° C and 2.0 atm
(C) 100°C and 2.0 atm
(D) 0°C and 2.0 atm
5. Graph between Pressure and Volume at constant temperature is called : ‘
(A) Isobar
(B) Isochor
(C) Isotherm
(D) Spectrograph
6. Diamond is bad conductor because :
(A) It has tight structure
(B) It has high density
(C) is Transparent to Light
(D) There are no free electrons present in crystal of diamond to conduct electricity
7. Which of the following Solid is an example of Covalent Solid with layered structure :
(A) Diamond
(B) Silicon Carbide
(C) Aluminium Nitride
(D) Graphite
8. Quantum Number value for 2p Orbital is :
(A) n = 2 , g = 1
(B) n = 1 , f = 2
(C) n = 1 , f = 0
(D) n = 2 , f = o
9. Which of following Hydrogen Halide has highest percentage of Ionic Character :
(A) HCI
(B) HBr
(C) HF
(D) HI
10. For a given process , heat changes at constant pressure ( qp) and heat changes at constant volume ( qv ) are related to each other :
(A) qp = qv
(B) qp < qv
(C) qp > qv
(D) qp =2
11. Which of the given is not a State Function :
(A) Heat
(B) Volume
(C) Pressure
(D) Enthalpy
12. For an Exothermic Reversible reaction , increase in temperature will favour which :
(A) Forward Direction
(B) Reverse Direction
(C) Equilibrium will not disturbed
(D) Initially in forward direction, then in reverse direction
13. An excess of AgNO3 is added to Aqueous Barium Chloride and precipitate is removed by filtration. What are the main ions in Filtrate .
(A) Ag+ and NO3+ only
(B) Ag+ and Ba2+ and NO3–
(C) Ba2+ and NO3– only
(D) Ba2+ and NO3– and CI–
14. Which of the following product is obtained at Cathode during electrolysis of aqueous solution of Sodium Chloride:
(A) Na
(B) Cl2
(C) H2
(D) 02
15. If a Salt Bridge is not used between two Half Cells then Voltage :
(A) Decreases Rapidly
(B) Decreases Slowly
(C) Does not change
(D) Drops to Zero
16. A solution of glucose is 10 % w/v , the volume in which 1 g mole of it is dissolved will be :
(A) 1 dm3
(B) 1.8 dm3
(C) 200 cm3
(D) 900 cm3
17. With the Increase of 10 oC temperature, the rate of reaction doubles . This increase in rate of reaction is due to :
(A) Decrease in Activation Energy of reaction
(B) Decrease in the Number of Effective Collisions between Reactant Molecules
(C) Increase in activation energy of reactants
(D) Increase in number of effective collisions
11th Class Chemistry Group 2nd New Course MCQs Paper 2nd Annual Examination 2023 Group Second BISE Bahawalpur
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