Quiz on Matter and Mixtures

What is matter?

• Only visible objects

• Only liquids and gases

• Only solid objects

• Anything that occupies space and has mass

Which branch of science studies the properties of matter?

• Chemistry

• Physics

• Biology

• Earth Science

What is a pure substance?

• A homogeneous material with a definite composition

• A mixture of different substances

• A material that can be separated physically

• A substance that can change its properties

Which of the following is an example of a compound?

• Hydrogen

• Gold

• Water

• Oxygen

What is the simplest form of a pure substance?

• A mixture

• A compound

• An element

• A solution

How can mixtures be separated?

• By heating

• By physical means

• By cooling

• Only by chemical means

What type of mixture has a uniform composition?

• Colloid

• Homogeneous mixture

• Suspension

• Heterogeneous mixture

Which of the following is a characteristic of a suspension?

• Uniform composition

• Particles settle over time

• Particles are invisible

• Cannot be separated

What is the Tyndall effect?

• The scattering of light by colloidal particles

• The settling of particles in a suspension

• The formation of a solid from a solution

• The mixing of two liquids

Which of the following is a method of separating mixtures?

• Electrolysis

• Filtration

• Combustion

• Sublimation