Stoichiometry

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

Byadmin March 4, 2019August 24, 2021

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

Stoichiometry

Magnesite refractories are used for the construction of those furnaces, which are_______________?

Magnesite refractories are used for the construction of those furnaces, which are_______________?

A. Not required to resist the corrosive action of basic slag
B. Not subjected to fluctuation in temperature
C. Used for raising & maintaining high temperature
D. Both B. and C.

Read More Magnesite refractories are used for the construction of those furnaces, which are_______________?
Stoichiometry

The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?

The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?

A. H2O > C2H5OH > CS2
B. CS2 > C2H5OH > H2O
C. H2O > CS2 > C2H5OH
D. CS2 > H2O > C2H5OH

Read More The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?
Stoichiometry

The vapor pressure of water at 100°C is__________________?

The vapor pressure of water at 100°C is__________________?

A. 100 N/m2
B. 76 cms of Hg
C. 13.6 cms of Hg
D. 760 mm wc

Read More The vapor pressure of water at 100°C is__________________?
Stoichiometry

At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?

At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?

A. 6
B. 8
C. 10
D. 12

Read More At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?
Stoichiometry

Heat of reaction is not influenced by__________________?

Heat of reaction is not influenced by__________________?

A. The route/method through which final products are obtained
B. The physical state (e.g., solid, liquid or gaseous) of reactants and products
C. Whether the reaction is carried out at constant temperature or constant pressure
D. None of these

Read More Heat of reaction is not influenced by__________________?
Stoichiometry

Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

A. Carbonate (monohydrate)
B. Chloride
C. Thiosulphate
D. Bisulphite

Read More Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

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