pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be:
A. 0
B. 10
C. 7
D. 14
In a chemical process, the recycle stream is purged for:
A. Increasing the product yield
B. Enriching the product
C. Limiting the inerts
D. Heat conservation
Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature:
A. Chlorine
B. Nitrogen
C. Ethane
D. All the gases will have the same KE
If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be:
A. N
B. N/2
C. 2N
D. 4N
The total number of atoms in 8.5 gm of NH3 is ___× 1023:
A. 9.03
B. 3.01
C. 1.204
D. 6.02
As per Kirchhoff s equation, the heat of reaction is affected by the:
A. Pressure
B. Volume
C. Temperature
D. Molecularity
______ equation gives the effect of temperature on heat of reaction:
A. Kirchoff’s
B. Maxwell’s
C. Antoine
D. Kistyakowsky
Addition of a non-volatile solute to a pure solvent:
A. Increases its freezing point
B. Increases its boiling point
C. Decreases its freezing point
D. Both B. and C.
1 torr is equal to ____ mm Hg column:
A. 1
B. 0.1
C. 10
D. 1000
The quantity of heat required to evaporate 1 kg of a saturated liquid is called:
A. Specific heat
B. 1 Kcal
C. Sensible heat
D. Latent heat