Subject

Chemistry

Class

NEET Class 12

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 Multiple Choice QuestionsMultiple Choice Questions

Advertisement
1.

The weight of one molecule of a compound C60H120 is :

  • 1.2 x 10-20 g

  • 5.025 x 1023 g

  • 1.4 x 10-21 g

  • 6.023 x 1023 g


2.

If P is pressure and ρ is density of a gas, then P and ρ are related as :

  •  ρ

  •  1ρ

  •  ρ2

  •  1ρ2


3.

Quantum numbers of an atom can be defined on the basis of :

  • Hund's rule

  • Pauli's exclusion principle

  • Aufbau's principle

  • Heisenberg's uncertainty principle


4.

Which of the following has maximum energy ?


  • 3s                      3p                                     3d

                 

  • 3s                      3p                                   3d

               

  • 3s                     3p                                     3d

             

  • 3s                    3p                                 3d

               


Advertisement
5.

At 80°C, distilled water has H+ ions concentration equal to 1 x 10-6 mole/litre. The value of KW at this temperature will be :

  • 1 X 10-6

  • 1 X 10-12

  • 1 X 10-9

  • 1 X 10-15


6.

The pH of solution containing 0.10 M sodium acetate and 0.03 M acetic acid is :

(pKa for CH3COOH = 4.57)

  • 4.09

  • 6.09

  • 5.09

  • 7.09


7.

Spectrum of Li2+ is similar to that of :

  • H

  • Be

  • He

  • Ne


8.

Which of the following molecule has highest bond energy ?

  • F-F

  • N-N

  • C-C

  • O-O


Advertisement
9.

The heat of neutralization of a strong base and a strong acid is 57 kJ. The heat released when 0.5 mole of HNO3 solution is added to 0.20 moles of NaOH solution, is :

  • 11.4 kJ

  • 34.7 kJ

  • 23.5 kJ

  • 58.8 kJ


10.

The solubility of CuBr is 2 x 10-4 mol/L at 25°C. The KSP value for CuBr is :

  • 4 x 10-8 mol2 L-2

  • 4 x 10-4 mol2 L-2

  • 4 x 10-11 mol2 L-2

  • 4 x 10-15 mol2 L-2


Advertisement