Seatwork #7- SPA Review

What is the term used to describe a material that is being dissolved in a certain mixture?

• solution

• dispersing medium

• solute

• solvent

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

• milk

• muddy water

• orange juice with pulp

• sand and water mixture

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

• air

• saltwater

• vinegar

• mixed nuts

How many elements are present in the compound NaCl?

• 1

• 2

• 3

• 4

What happens when a compound is formed?

• Its properties remain unchanged from the elements it is composed of.

• It becomes a mixture of all the elements.

• Its properties become a combination of both elements.

• It develops new properties that differ from the elements it is composed of.

What is the composition of a pure water molecule (H₂O)?

• One hydrogen atom and one oxygen atom

• Two hydrogen atoms and one oxygen atom

• One hydrogen atom and two oxygen atoms

• Two hydrogen atoms and two oxygen atoms

Which of the following is an example of a compound?

• oxygen

• hydrogen

• helium

• water

How do colloids differ from solutions and suspensions?

• Colloids have larger particles than solutions but smaller than suspensions.

• Colloids have smaller particles than solutions but larger than suspensions.

• The particles of colloids have the same size as that of solutions but different from suspensions.

• The particles of colloids have the same size as that of suspensions but different from solutions.

Which of the following refers to the classification of mixture which consists of two or more phases?

• solution

• homogeneous mixture

• heterogeneous mixture

• compound

Which of the following is considered a solid aerosol?

• cloud

• whipped cream

• smog

• whole milk