Quiz on Mixtures and Solutions

What is a characteristic of a mixture?

• The parts undergo a chemical change.

• The parts cannot be seen individually.

• It is a combination of substances that keep their identities.

• It has the same composition throughout.

Which of the following is an example of a solution?

• Fruit salad

• Taco

• Sand and water

• Sugar and water

What is true about a solution?

• You can see the dissolved particles.

• It has the same composition throughout.

• The parts do not mix evenly.

• It is a combination of two or more substances that keep their identities.

Fill in the blank with the correct option:

• Option A

• Option B

• Option C

• Option D

What is the definition of a pure substance?

• Made of bonded particles that are all the same

• Made of different types of particles

• Made of particles that change over time

• Made of particles that are always in motion

Which of the following is an example of a pure substance?

• Diamond (C)

• Air

• Sand

• Wood

Which of the following is a compound?

• Table salt (NaCl)

• Nitrogen gas (N₂)

• Gold metal

• Copper wire

What is the chemical formula for cyanoacrylate?

• C₆H₇NO₂

• NaCl

• O₃

• N₂

What is the definition of a compound?

• A single type of atom

• Bonded particles containing at least two types of atoms

• A mixture of gases

• A liquid solution

How are compounds formed?

• Through physical mixing

• Through chemical bonding

• By heating elements

• By freezing elements