Quiz about Acid and Bases

Question 1

Used to measure strength of acids and bases in a solution

Accepted Answer

pH scale

Answer

acids

Answer

bases

Answer

neutral

Question 2

Greater than 7 =

Accepted Answer

Base

Answer

Acid

Question 3

Turns Litmus paper red

Accepted Answer

Acid

Answer

Base

Question 4

Sour, sharp taste (lemons)

Accepted Answer

Acids

Answer

Bases

Question 5

Reactive with metals, corrosive and can burn skin, able to conduct electricity

Accepted Answer

Acid

Answer

Bases

Question 6

Turns litmus paper blue

Accepted Answer

Bases

Answer

Acid

Question 7

Bitter Taste

Accepted Answer

Bases

Answer

Acid

Question 8

Slippery to touch

Accepted Answer

Bases

Answer

Acid

Question 9

Has a pH of 7

Accepted Answer

Neutral

Answer

Acid

Answer

Base

Question 10

The pH scale is used to measure how acidic or basic something is. A pH value lower than 7 indicates a substance is _______, while a pH value higher than 7 is considered ________. Pure water is considered _______, with a pH of_______ .

Choose the option that identifies the missing terms, in order of appearance in the sentences.

Accepted Answer

acidic; basic; neutral; 7

Answer

acidic; acidic; neutral; 12

Answer

basic; acidic; basic; 1

Answer

neutral; basic; basic; 7

Question 11

A student uses litmus to test an unknown substance. The red litmus turns blue which indicates. the solution is .......?

Accepted Answer

Base

Answer

Neutral

Answer

Acid

Answer

positive hydrogen

Question 12

What test can the students perform to correctly and safely identify acids and bases? They used litmus paper. The blue litmus turned red which indicates.......?

Accepted Answer

acid

Answer

Base

Answer

Neutral

Answer

alkaline

Question 13

A group of students conducts an experiment to identify which of their unknown liquids are acids and which are bases. They use a pH indicator and collect the following data:

Which statement identifies the acids and bases in the data table?

Accepted Answer

Liquid 3 has a pH higher than pure water, so it is a base. Liquid 2 has a pH lower than pure water, so it is an acid.]

Answer

Liquid 3 has a pH higher than pure water, so it is an acid. Pure water has a neutral pH, so it is a base.

Answer

Liquid 2 has a pH lower than pure water, so it is a base. Pure water has a neutral pH, so it is an acid.

Answer

Pure water has a neutral pH, so it is a base. Liquid 1 has a pH lower than pure water, so it is an acid.

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