The mass of 2 mole of sodium hydroxide will be
A. 2 g
B. 20 g
C. 40 g
D. 80 g
Here, you may find CSS Optional Subjects MCQs. If you want to prepare MCQs of optional subjects, CSS MCQs platform is here to serve you while preparing your MCQs portion of your CSS Exam. Please practice these CSS Optional Subjects MCQs on a daily basis.
“A” compound is always consists of the same elements combined in the same fixed ratio”. The statement is
A. a hypothesis
B. a fact
C. a law
D. an observation
What is the relative rate of effusion of CO and CO2?
A. CO is 1.25 times faster than CO2
B. CO is 3.75 times faster than CO2
C. CO is 1.25 times faster than CO
D. Both diffuse at the same rate
The weakest (in strength) of the following intermolecular forces is
A. Hydrogen bonding
B. Vander Waals force
C. Forces among the polar molecules
D. Ionic bond
Which of the following statements is true about plasma
A. It may be the first state of matter
B. It is not a phase transition
C. It is a conductor of electricity
D. All of the above
Which one has the lowest density at room temperature?
A. Ne
B. N2
C. NH3
D. CO
- Go to the previous page
- 1
- …
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- …
- 388
- Go to the next page