Mixtures and Solutions Quiz

Which of the following is an example of a homogeneous mixture?

Heterogeneous mixtures have uniform composition throughout.

What is a mixture?

Mixtures are constituted by more than ______ kind of pure form of matter.

Match the type of mixture with its description:

Which of the following is a characteristic of homogeneous mixtures?

The intensity of color in a homogeneous mixture is always the same, regardless of the amounts of components.

Give two examples of heterogeneous mixtures.

What causes the Tyndall effect?

Particles in a suspension are not visible to the naked eye.

What two components make up a colloidal solution?

What is a suspension?

The scattering of a beam of light is called the ______ effect.

Colloidal particles can be separated by filtration.

Match the following:

Which of the following is an example of the Tyndall effect in nature?

Which gas is produced by Group I when dilute sulphuric acid or dilute hydrochloric acid is added?

The composition of a compound can vary throughout the sample.

What term describes a mixture where the components are not uniformly distributed?

The major component of a solution is called the _______.

Match the following terms with their descriptions:

Which of the following characteristics describes hydrogen sulphide gas?

The properties of a mixture are different from those of its constituents.

What type of separation techniques are used for mixtures to be separated into pure substances?

What is the primary purpose of the chromatography process described?

Dyes in black ink are soluble in water, which allows them to rise on filter paper.

What does the thermometer measure during the distillation process?

The colored component that is more soluble in _______ rises faster during chromatography.

At what stage does the thermometer reading become constant during heating?

Fractional distillation is used to separate components of a mixture with similar boiling points.

What is the method called that is used for separating miscible liquids based on their boiling points?

Match the following processes with their descriptions:

Which of the following is NOT a property of metals?

Mercury is a metal that is solid at room temperature.

What are the two groups of materials formed in the given activity with iron filings and sulphur?

Non-metals are usually __________ conductors of heat and electricity.

Match the following elements with their classification:

Which property is NOT characteristic of non-metals?

Which metal is liquid at room temperature?

Iron filings and sulphur can form a __________ when combined and heated.

What is the solubility of potassium nitrate at 313 K?

Sodium chloride has a variable solubility at different temperatures.

What would Pragya observe as the potassium chloride solution cools from 353 K?

The solubility of ammonium chloride at 293 K is ______ grams.

Match the following substances with their classification as a pure substance or mixture:

Which of the following substances has the highest solubility at 293 K?

A saturated solution can contain more solute than it can dissolve at a given temperature.

What happens to the solubility of most salts as temperature increases?