Stoichiometry

_____________ fuels require the maximum percentage of ‘excess air’ for complete combustion ?

Byadmin March 12, 2019August 30, 2021

_____________ fuels require the maximum percentage of ‘excess air’ for complete combustion ?

A. Solid
B. Liquid
C. Gaseous
D. Nuclear

Stoichiometry

Addition of a non-volatile solute to a pure solvent ____________________?

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.

Read More Addition of a non-volatile solute to a pure solvent ____________________?
Stoichiometry

pH value of H2SO4 (5% concentration) is__________________?

pH value of H2SO4 (5% concentration) is__________________?

A. 5
B. 7
C. > 7
D. < 7

Read More pH value of H2SO4 (5% concentration) is__________________?
Stoichiometry

The reaction A + B → C has been conducted in a reactor as shown below. The numbers of balances (material) that can be made around the reactor are________________?

The reaction A + B → C has been conducted in a reactor as shown below. The numbers of balances (material) that can be made around the reactor are________________?

A. 1
B. 2
C. 3
D. 4

Read More The reaction A + B → C has been conducted in a reactor as shown below. The numbers of balances (material) that can be made around the reactor are________________?
Stoichiometry

A saturated vapor on being compressed would___________________?

A saturated vapor on being compressed would___________________?

A. Condense
B. Form wet steam
C. Both A. & B.
D. Neither A. nor B.

Read More A saturated vapor on being compressed would___________________?
Stoichiometry

In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is__________________?

In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is__________________?

A. Independent of temperature
B. Increases with rise in pressure
C. Increased with decrease in pressure
D. Unchanged with pressure changes

Read More In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is__________________?
Stoichiometry

The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?

The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?

A. Nature of both the gas & the liquid
B. Temperature
C. Total pressure
D. None of these

Read More The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?