Acids and Alkalis Quiz 1

What does an acid release when it dissolves in water?

• Hydrogen ions (H+)
• Carbon ions (C-)
• Nitrogen ions (N+)
• Oxygen ions (O-)

What is the pH of distilled water?

• pH 12

• pH 3

• pH 8

• pH 7

Which laboratory substance can you use to test if colourless substance is an acid or an alkali?

• Catalyst

• Salt

• Universal Indicator

• Water

Which substance is an acid?

• Water

• Bleach

• Orange juice

• Washing powder

Which pH levels indicated a strong acid?

• 1-3

• 4-6

• 8-11

• 12-14

Which pH level indicates a weak alkali?

• 1-3

• 4-6

• 8-11

• 12-14

Which pH level indicates a weak acid?

• 1-3

• 4-6

• 8-11

• 12-14

Which pH level indicates a strong alkali?

• 1-3

• 4-6

• 8-11

• 12-14

Strong acids and alkalis are...

• Sour

• Sweet

• Corrosive/Caustic

• Burn litmus paper

What does this hazard symbol mean?

• toxic

• flammable

• corrosive

• explosive