Acids Bases pH and Indicators

An acid is a substance that produces _____ ions when dissolved in water.

• chloride

• hydroxide

• oxide

• hydrogen

An alkali is a substance that produces ______ ions when dissolved in water.

• hydrogen

• sodium

• hydroxide

• soap

Which statement about the physical properties of acids is false?

• Acids have a pH of less than 7

• Acids turn a damp red litmus paper blue

• It can turn green Universal Indicator red

• Acids conduct electricity when dissolved in water

Which solution is likely to be water?

• A

• B

• C

• D

• E

Which solution is likely to be aqueous sodium hydroxide?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-2

Which solution is likely to be dilute hydrochloric acid?

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS1-2

State the colour observed when a few drops of universal indicator are added to water

State the colour observed when a few drops of universal indicator are added to aqueous sodium hydroxide

State the colour observed when a few drops of universal indicator are added to dilute hydrochloric acid