acids and bases

What is the pH of distilled water?

• pH 12

• pH 3

• pH 8

• pH 7

What colour does litmus paper turn when added to an alkali?

• Blue

• Red

• Green

• Colourless

What colour does litmus paper turn when added to an acid?

• Blue

• Red

• Green

• Colourless

What happens to the pH of an acid during neutralisation?

• It stays the same

• It moves toward pH 1

• It moves towards pH 7

• It moves towards pH 14

Tags

NGSS.MS-PS1-2

If you wanted to test a colourless and odourless substance at home, what household item could you use?

• Red cabbage water

• Bleach

• Water

• Vinegar

Which substance is an acid?

• Water

• Bleach

• Orange juice

• Washing powder

What does this hazard symbol mean?

• toxic

• flammable

• corrosive

• explosive

• PH scale

• pH ruler

• pH scale

• pH statistical tables

Tags

NGSS.MS-PS1-2

What is the chemical symbol for Hydrochloric Acid

• HCl

• H

• Ha

• Hc

What is the chemical symbol for Sulfuric Acid

• HS2O4

• H2SO4

• H4SO2

• Su