Stoichiometry

Hot metal runner in blast furnace are lined with ______________ bricks?

Byadmin March 4, 2019August 24, 2021

Hot metal runner in blast furnace are lined with ______________ bricks?

A. Silica
B. Carborundum
C. Fireclay
D. Magnesite

Stoichiometry

At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?

A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed

Read More At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
Stoichiometry

In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?

In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?

A. Increase
B. Decrease
C. Remain unchanged
D. None of these

Read More In general, the specific heats of aqueous solutions _____________ with increase in the concentration of the solute?
Stoichiometry

Which of the following is the Clausius-Clapeyron Equation ?

Which of the following is the Clausius-Clapeyron Equation ?

A. PV = RT + B/V + y/V2 + ….
B. (P + a/V2)(V-b) = RT
C. loge (p/p0) = (λ/R) (1/T0 – 1/T)
D. p = [RT/(V – b)] – (a/TV2)

Read More Which of the following is the Clausius-Clapeyron Equation ?
Stoichiometry

°API gravity of water at N.T.P. is about__________________?

°API gravity of water at N.T.P. is about__________________?

A. 0
B. 1
C. 10
D. 100

Read More °API gravity of water at N.T.P. is about__________________?
Stoichiometry

The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?

The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?

A. 1/2
B. 4
C. √2
D. 1/4

Read More The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?
Stoichiometry

If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

A. 27
B. 54
C. 5.4
D. 2.7

Read More If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

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