Questions and answers for exam Preparation

MCQs

Total Questions : 1913 | Page 190 of 192 pages

Question 1891. As per Kirchhoff s equation, the heat of reaction is affected by the__________________?

Pressure
Volume
Temperature
Molecularity

Discuss Question

Answer: Option C. -> Temperature
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1892. If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

Discuss Question

Answer: Option C. -> 2N
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1893. Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

Chlorine
Nitrogen
Ethane
All the gases will have the same KE

Discuss Question

Answer: Option D. -> All the gases will have the same KE
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1894. Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

Nature of the liquid
Nature of the gas
Temperature of the liquid
Total pressure

Discuss Question

Answer: Option B. -> Nature of the gas
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1895. In a chemical process, the recycle stream is purged for______________________?

Increasing the product yield
Enriching the product
Limiting the inerts
Heat conservation

Discuss Question

Answer: Option C. -> Limiting the inerts
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1896. The heat of solution depends upon the____________________?

Nature of solvent
Concentration of solution
Nature of solute
All A., B. & C.

Discuss Question

Answer: Option D. -> All A., B. & C.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1897. PH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?

Discuss Question

Answer: Option C. -> 7
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1898. Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?

Mixing
Adsorption
Wetting
Complete wetting

Discuss Question

Answer: Option D. -> Complete wetting
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1899. If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?

The solvent begins to freeze out even before
It will undergo no change until
It will not solidify even on
None of these

Discuss Question

Answer: Option B. -> It will undergo no change until
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 1900. The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?