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MCQs on Fundamentals of Physical Chemistry

MCQs on Fundamentals of Physical Chemistry

MCQs and Quizzes about Fundamentals of Physical Chemistry for M.Phil & PhD GAT subject specialist, Lectureship jobs, FPSC,PPSC and other jobs

Q No.1 of 10

B has two isotopes ¹⁰B (19%). ¹¹B(81%). The atomic mass of B is________

Option 1

10⁵

Option 2

10.81

Option 3

10.5

Option 4

Q No.2 of 10

__________ contains maximum number of electrons?

Option 1

1.2 CO₂

Option 2

1.80 H₂O

Option 3

4.4 g CO₂

Option 4

1.06 g CH₄

Q No.3 of 10

Mass of 1 amu in grams is _________

Option 1

2.008

Option 2

0.66 x 10²²

Option 3

1.66 x 10^-24

Option 4

1.66 x 10-22

Q No.4 of 10

2 L of N₂ of 2 L H₂ on complete reaction would give ________ liters of NH₃

Option 1

1.33 L

Option 2

1.0 L

Option 3

0.4 L

Option 4

10.0 L

Q No.5 of 10

__________ weighs most?

Option 1

0.5 M of iron

Option 2

0.2 g oxygen

Option 3

2 g atom of nitrogen

Option 4

32 g oxygen

Option 5

3.01 x 10²³ atoms of carbon

Q No.6 of 10

Copper forms two oxides cuprous and cupric oxides. Which law can be proved by the weights of Cu and O?

Option 1

Multiple Proportions

Option 2

Constant composition

Option 3

Reciprocal Proportions

Option 4

None of these

Q No.7 of 10

The maximum number of atoms are present in_______

Option 1

16 g O-O

Option 2

16 g O

Option 3

16 g O₂

Option 4

16 g O₃

Option 5

All contains same number of atoms

Q No.8 of 10

After 25 mL of 0.02 M Ca(OH)₂is mixed with 25 mL of 0.288 M HClO₄. Then the concentration of OH^-1 is_______

Option 1

2.90 x 10^-3 M

Option 2

0. 78 M

Option 3

0.116 M

Option 4

0.58 M

Option 5

1.45 x 10^-3 M

Q No.9 of 10

when a mixture of 5.4 g of Al and 3.2 g of O₂ is heated, ________ moles of Al₂O₃ will be formed.

Option 1

1/20

Option 2

1/12

Option 3

1/0.3

Option 4

1/15

Q No.10 of 10

In NaOH, the percentage of oxygen is ____________

Option 1

Option 2

Option 3

Option 4

Correct Answers