Potential & kinetic
Pressure
Internal
All of the above
✅ The correct answer is option D.
Statiometery MCQs
The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
Less than
More than
Equal to
Either more or less; depends on the solvent
✅ The correct answer is option A.
One micron is equal to
10⁻⁴ mm
10⁻⁴ cm
10⁻⁶ m
Both B & C
✅ The correct answer is option D.
The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.
Potential energy
Intermolecular forces
Kinetic energy
Total energy
✅ The correct answer is option C.
The total number of atoms in 8.5 gm of NH₃ is __________ x 1023.
9.03
3.01
1.204
6.02
✅ The correct answer is option A.
Number of gm moles of solute dissolved in 1 kg of solvent is called its
Normality
Molarity
Molality
Formality
✅ The correct answer is option C.
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg.
650
700
600
375
✅ The correct answer is option A.
With increase in the solute concentration, the specific heat of aqueous solutions
Increases
Decreases
Remains unchanged
Either A or B; depends on the type of solution
✅ The correct answer is option B.
The reverse process of fractional crystallisation is called
Stripping
Leaching
Differential distillation
Absorption
✅ The correct answer is option B.
Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution
A₁ is more alkaline than solution A₂
A₁ is highly acidic
A₁ is very slightly acidic
Both A & C
✅ The correct answer is option D.