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7. Acids & Bases

Authored by TIONG Moe

Chemistry

10th Grade

Used 2+ times

7. Acids & Bases
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25 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Milk is a very weak acid. What might its pH value be?

6.5

7.8

4.2

12.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stronger acids have a pH closer to...

7

0

14

9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Weaker bases have a pH closer to...

8

0

14

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

According to the pH scale, which item is more acidic than lemons?

battery

vinegar

milk

blood

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

True or false: a neutral solution has equal amounts of H+ and OH-.

True

False

6.

MULTIPLE CHOICE QUESTION

30 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

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of ion does a base produce when it is dissolved in water?

oxide
oxygen
hydrogen
hydroxide

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