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Module 6, Lesson 3

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Mixtures that can react with acids or bases to keep the pH within a particular range.

a)

mixture

b)

solute

c)

buffers

d)

pH

2.

Is the substance that is dissolved in the solvent.

a)

solute

b)

buffer

c)

acid

d)

mixture

3.

Substances that release hydrogen ions when they are dissolved in water.

a)

hydrogen bond

b)

acids

c)

base

d)

pH

4.

Is a combination of two or more substances in which each substance retains its individual characteristics and properties.

a)

pH

b)

acid

c)

van der Waals forces

d)

mixture

5.

Dutch physicist, Johannes van der Waals, attractions between the molecules.

a)

van der Waals forces

b)

magnetic force

c)

Action-at-a-Distance Forces

d)

nuclear forces

6.

A weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom from a different molecule.

a)

hydrogen bond

b)

solute

c)

acid

d)

base

7.

The measure of concentration of H+ in a solution

a)

mixture

b)

buffer

c)

pH

d)

polar molecules

8.

Substances that release hydroxide ions (OH-) when they are dissolved in water

a)

bases

b)

acids

c)

reactants

d)

products

9.

Molecules that have an unequal distribution of charges.

a)

solution

b)

polar molecules

c)

acids

d)

bases

10.

A substance in which another substance is dissolved.

a)

solute

b)

buffer

c)

solution

d)

solvent

11.

Another name for a homogeneous mixture.

a)

base

b)

solution

c)

mixture

d)

buffer