Stoichiometry

Concentration of a solution expressed in terms of _______________ is independent of temperature?

Byadmin March 4, 2019August 24, 2021

Concentration of a solution expressed in terms of _______________ is independent of temperature?

A. Molarity
B. Normality
C. Molality
D. None of these

Stoichiometry

Chemically, mullite refractories is________________?

Chemically, mullite refractories is________________?

A. 3Al2O3.2SiO2
B. Al2O3
C. ZrSO4
D. ThO2

Read More Chemically, mullite refractories is________________?
Stoichiometry

Faster rate of drying of moulded refractories results in high ______________ of refractories?

Faster rate of drying of moulded refractories results in high ______________ of refractories?

A. Green strength
B. Voids
C. Shrinkage
D. Both B. and C.

Read More Faster rate of drying of moulded refractories results in high ______________ of refractories?
Stoichiometry

The chemical nature of an element is independent of_______________________?

The chemical nature of an element is independent of_______________________?

A. Its atomic number
B. The number of protons or electrons present in it
C. The number of neutrons present in it
D. None of these

Read More The chemical nature of an element is independent of_______________________?
Stoichiometry

A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?

A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?

A. 0.01
B. 0.1
C. 1
D. 10

Read More A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?
Stoichiometry

For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?

For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?

A. Integral
B. Differential
C. Both A. & B.
D. Neither A. nor B.

Read More For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?
Stoichiometry

Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?

Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?

A. 46
B. 92
C. -23
D. -92

Read More Enthalpy of formation of NH3 is – 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to _____________ kJ/kg. mole?

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