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MCQs and Quizzes about Fundamentals of Physical Chemistry for M.Phil & PhD GAT subject specialist, Lectureship jobs, FPSC,PPSC and other jobs
Conc. H2SO4 is 98% by mass and has density of 1.84 g/cm3. __________volume of conc. acid is required to make 5 liter of 0.5 M H2SO4solution.
|
Option 1
|
136 cm3 |
|
Option 2
|
13.6 cm3 |
|
Option 3
|
250 cm3 |
|
Option 4
|
123 L |
A metal displaced 16.8 mL of H2 in standard conditions from an acid. _______ volume of N2 is needed to combine with this amount of H2 into NH3?
|
Option 1
|
8.04 mL |
|
Option 2
|
11.2 mL |
|
Option 3
|
5.6 mL |
|
Option 4
|
22.04 mL |
The relative molecular mass of 12CO of 27.9949. The relative molecular mass of 12CO2 is_______
|
Option 1
|
43.9898 |
|
Option 2
|
45.9847 |
|
Option 3
|
43.9649 |
|
Option 4
|
39.9949 |
The amount of zinc (at. Wt. 65) required to produce 224 mL of H2 at STP on treatment with dilute H2SO4 will be
|
Option 1
|
650 g |
|
Option 2
|
0.065 g |
|
Option 3
|
0.65 g |
|
Option 4
|
0.023 g |
The mass of one mole of Mg atoms is 24 g. The mass of one Mg atoms in grams is __________?
|
Option 1
|
6.02 x 10-23 |
|
Option 2
|
3.99 x 10-23 |
|
Option 3
|
3.99 x 1023 |
|
Option 4
|
4.99 x 1023 |
