STOICHIOMETRY QUIZ

A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is

1

0.5

2

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following ratios defines the recycle ratio in a chemical process?

None of these

Recycle stream/gross feed stream

Recycle stream/fresh feed stream

Gross feed stream/recycle feed stream

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YOUR ANSWER : ?

__________ equation relates latent heat and boiling point.

Trouton's

Antonie

Kistyakowsky

Kopp's

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The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be

Neutral

Basic

More acidic

Of the same acidity

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Under conditions of equal reduced pressure and equal reduced temperature, substances are said to be in the 'corresponding states'. At equal reduced conditions i.e., at the corresponding state, the __________ of different gases are nearly the same.

Humidity

Compressibility

None of these

Molecular weight

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YOUR ANSWER : ?

Cp equals Cv at

0°F

0°R

0°K

0°C

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The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is

Unpredictable

Trebled

Halved

Doubled

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__________ chart is a graph related to Antonie equation.

Cox

Mollier's

Enthalpy-concentration

Ostwald

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Heat of reaction is not influenced by

None of these

The physical state (e.g., solid, liquid or gaseous) of reactants and products

Whether the reaction is carried out at constant temperature or constant pressure

The route/method through which final products are obtained

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Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

The salt formed does not hydrolyse

The strong base and strong acid reacts completely

Only OH⁻ and H⁺ ions react in every case

The strong base and strong acid reacts in aqueous solution

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