Stoichiometry

Elements in a periodic table are arranged in order of their__________________?

Byadmin March 12, 2019August 30, 2021

Elements in a periodic table are arranged in order of their__________________?

A. Atomic number
B. Mass number
C. Atomic weight
D. Metallic characteristics

Stoichiometry

Magnesite refractories are generally not used in the__________________?

Magnesite refractories are generally not used in the__________________?

A. Electric furnace walls
B. Steel melting furnace
C. Open hearth furnace
D. Burning zone of cement kilns

Read More Magnesite refractories are generally not used in the__________________?
Stoichiometry

In osmosis through a semi-permeable membrane, diffusion of the___________________?

In osmosis through a semi-permeable membrane, diffusion of the___________________?

A. Solvent is from low concentration to high concentration region
B. Solvent is from high concentration to low concentration region
C. Solute takes place
D. None of these

Read More In osmosis through a semi-permeable membrane, diffusion of the___________________?
Stoichiometry

Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?

Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?

A. PvB
B. xB.PvB
C. (Patm – Pvw)xB
D. xB.Patm

Read More Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?
Stoichiometry

Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?

Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?

A. Temperature
B. Volume of solution
C. Moles of non-volatile solute
D. None of these

Read More Osmotic pressure of a dilute solution of a non volatile solute in a solvent obeying Raoult’s law is proportional to the_____________?
Stoichiometry

1 torr is equivalent to_________________?

1 torr is equivalent to_________________?

A. 1 mm Hg
B. 1 Pascal
C. 1 atm
D. 1 mm wc

Read More 1 torr is equivalent to_________________?
Stoichiometry

Othmer chart is useful in estimating the heat of_______________?

Othmer chart is useful in estimating the heat of_______________?

A. Mixing
B. Wetting
C. Adsorption
D. None of these

Read More Othmer chart is useful in estimating the heat of_______________?

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