STOICHIOMETRY QUIZ

One Newton is equal to __________ dynes.

10²

10³

10⁵

10⁴

TRUE ANSWER : ?
YOUR ANSWER : ?

Volume percent for gases is equal to the

Mole percent only for ideal gases

Weight percent

Weight percent only for ideal gases

Mole percent

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Buffer

Colloidal

Ideal

Non-ideal

TRUE ANSWER : ?
YOUR ANSWER : ?

For an ideal gas, the compressibility factor

Decreases with pressure rise

Is unity at Boyle's temperature

Zero

Is unity at all temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

It will not solidify even on

It will undergo no change until

The solvent begins to freeze out even before

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is

Independent of temperature

Unchanged with pressure changes

Increased with decrease in pressure

Increases with rise in pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Addition of a non-volatile solute to a pure solvent

Increases its freezing point

Increases its boiling point

Both B and C

Decreases its freezing point

TRUE ANSWER : ?
YOUR ANSWER : ?

1 kg/m² is equal to __________ mm water column.

100

1000

1

10

TRUE ANSWER : ?
YOUR ANSWER : ?

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

0.5

2

TRUE ANSWER : ?
YOUR ANSWER : ?

The chemical nature of an element is independent of

Its atomic number

The number of neutrons present in it

The number of protons or electrons present in it

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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