STOICHIOMETRY QUIZ

A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.

Superheated

Unsaturated

Dry gaseous

Saturated

TRUE ANSWER : ?
YOUR ANSWER : ?

Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the

Same elevation in boiling point

Different elevation in boiling point

None of these

Elevation in boiling point in the ratio of their molecular weights

TRUE ANSWER : ?
YOUR ANSWER : ?

Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is

0.58

0.5

0.2

1.72

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following expressions defines the Baume gravity scale for liquids lighter than water?

°Be = (140/G) - 130

°Be = 200(G-1)

°Be = (400/G) - 400

°Be = 145 - (145/G)

TRUE ANSWER : ?
YOUR ANSWER : ?

If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will

Be reduced to l/4th

None of these

Increase two times

Increase four times

TRUE ANSWER : ?
YOUR ANSWER : ?

No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules

Are above the inversion temperature

Exert no attractive force on each other

Collide without loss of energy

Do work equal to loss in kinetic energy

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following gases is the most soluble in water?

CH₄

CO₂

NH₃

H₂S

TRUE ANSWER : ?
YOUR ANSWER : ?

The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be

10??

TRUE ANSWER : ?
YOUR ANSWER : ?

A solution with reasonably permanent pH is called a/an __________ solution.

Buffer

Non-ideal

Ideal

Colloidal

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ chart is a graph related to Antonie equation.

Mollier's

Ostwald

Cox

Enthalpy-concentration

TRUE ANSWER : ?
YOUR ANSWER : ?

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