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Acids and bases Practice Regents

Authored by Sandra Misic

Chemistry

10th Grade

NGSS covered

Used 73+ times

Acids and bases Practice Regents
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28 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

Acids; pH less than 7
Acids; pH greater than 7
Bases; pH greater than 7
Bases; pH less than 7

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is

neutral
basic

acidic or basic.
acidic

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If an acid is combined with a base of equal strength, the result will most likely be

a neutral solution.
a stronger acid.
impossible to tell without testing the pH.
a stronger base

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker

is a base.
has a neutral pH.
is an acid.
does not have a pH.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a base?

orange juice
water
vinegar
dishwashing detergent

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Litmus paper can be used to determine the _______ of a substance.

relative volume
temperature
relative pH
chemical formula

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ammonia has a pH of 12.  Ammonia is __________.

an acid
a base
an element
a metal

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