Less than 100°C
100°C
Between 100 and 110°C
110.6°C
✅ The correct answer is option C.
Statiometery MCQs
292. The temperature at which a real gas obeys Boyle’s law is termed as the
Triple point
Boyle’s temperature
Eutectic point
Inversion temperature
✅ The correct answer is option B.
293. Heat of __________ of a fuel is called its calorific value.
Formation
Combustion
Reaction
Vaporisation
✅ The correct answer is option B.
294. Addition of a non-volatile solute to a pure solvent
Increases its freezing point
Increases its boiling point
Decreases its freezing point
Both B and C
✅ The correct answer is option D.
295. pH value of H₂SO₄ (5% concentration) is
5
7
> 7
< 7
✅ The correct answer is option D.
296. A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis
1.25
1.3
1.35
1.2
✅ The correct answer is option D.
297. Atoms of the same element, but of different masses are called
Isobars
Isotones
Isotopes
None of these
✅ The correct answer is option C.
298. Osmotic pressure of the solution can be increased by
Decreasing its temperature
Increasing the volume of the vessel containing the solution
Diluting the solution
None of these
✅ The correct answer is option D.
299. Colligative properties of a dilute solution are those, which depend entirely upon the
Chemical composition of the solute
Constitution of the solute
Number of solute molecules contained in a given volume of the solvent
None of these
✅ The correct answer is option B.
300. Pick out the wrong unit conversion of calorific value.
1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³
1 BTU/lb = 2.3 kcal/kg
1 kcal/m³ = 0.1124 BTU/ft³
✅ The correct answer is option C.