AnswersTX-Integrated Physics and ChemistryLab: Physical and Chemical Changes

Mixtures and Solutions Answers

0 verified answers2 views
2
Free Preview

Which best explains why blood is considered to be a suspension?

A
It has nutrients that cannot be dissolved.
B
It contains particles that can settle out.
C
It has nutrients that are dissolved in its liquid portion.
D
It contains particles that mix on a molecular level.
4

What are homogeneous mixtures of metals commonly called?

A
alloys
B
colloids
C
compounds
D
suspensions
5

Which is a characteristic of a homogeneous mixture that is a liquid?

A
It exhibits the Tyndall effect.
B
Brownian motion is not visible in it.
C
It cannot be separated using filtration.
D
It has at least two phases.
7

Which best describes the Tyndall effect?

A
the scattering of light by solutes in a mixture
B
the scattering of light by solvent in a solution
C
the scattering of light by solutes in a solution
D
the scattering of light by particles in a mixture
8

Which is a characteristic of a solution?

A
Its particles scatter light.
B
Its particles are evenly distributed.
C
Its particles settle out.
D
It has large suspended particles.
9

In which situation can a mixture always be called a solution?

A
when one of its components is a gas
B
when there is no solvent in the mixture
C
when its components are made up of different types of particles
D
when the mixture is homogeneous
10

Which substance is an example of a colloid?

A
milk
B
tomato juice
C
sand and water
D
sugar and water

Did you find these answers helpful?