Acids and Bases Grade 11

Which of the following statements is true of an Ahhrenius base?

• It is a proton donor

• It is a substance that produces hydrogen ions when it dissolves in water.

• It is a proton acceptor

• It is a substance that produces hydroxide ions when it dissolves in water

Which of the following statements is true of an Ahhrenius acid?

• It is a proton donor

• It is a substance that produces hydrogen ions when it dissolves in water.

• It is a proton acceptor

• It is a substance that produces hydroxide ions when it dissolves in water

Which of the following statements is true of a Lowry-Brønsted acid?

• It is a proton donor

• It is a substance that produces hydrogen ions when it dissolves in water.

• It is a proton acceptor

• It is a substance that produces hydroxide ions when it dissolves in water

Which of the following statements is true of a Lowry-Brønsted base?

• It is a proton donor

• It is a substance that produces hydrogen ions when it dissolves in water.

• It is a proton acceptor

• It is a substance that produces hydroxide ions when it dissolves in water

An indicator is ...

• a weak acid whose colour changes as the H⁺ concentration in a solution changes

• a weak base whose colour changes as the H⁺ concentration in a solution changes

• a substance that produces OH^- ions

An ampholyte ...

• has more than 1 H⁺ ion when it dissociates in water

• is a substance that can act as either acid or base

• produces no H⁺ ions when it dissociates in water

• is a substance that produces a salt when reacting with water

The formula of nitric acid:

• HNO₃

• H₂NO₃

• H₂NO₄

• HNO₄

The formula of sulphuric acid:

• HSO₃

• H₂SO₃

• H₂SO₄

• HSO₄

Tags

NGSS.HS-PS1-1

The formula of sodium carbonate:

• NaCO₃

• Na₂CO₃

• Na₂CO₄

• NaCO₄

The formula of potassium hydroxide:

• POH

• KOH

• P(OH)₂

• K(OH)₂