N5 Chemistry - Acids and Bases

Solutions that have more OH– ions than H+ ions are

• acidic

• alkaline

• spectator ions

• neutral

Solutions that have more H+ ions than OH- ions are

• acidic

• alkaline

• spectator ions

• neutral

What is the pH of an extremely strong acid?

• pH 1

• pH 7
• pH 10

• pH 14

Which has a pH below 7?

• Acid
• Base

• Acidic

• Alkaline

• Neutral

• Acidic

• Alkaline

• Neutral

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

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

Tags

NGSS.MS-PS1-2

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

• Catalyst

• Salt

• Universal Indicator

• Water

The products of a neutralisation reaction are lithium sulfate and water. What is the name of the acid used to neutralise the alkali lithium hydroxide?

• hydrochloric acid
• sulfuric acid
• nitric acid
• phosphoric acid