Y9 - Acids and alkalis - ionic theory

What is another name for a hydrogen ion?

• proton

• neutron

• electron

• neucleon

What ion makes a solution acidic?

• H⁺

• OH^-

• NH₄⁺

• SO₄^2-

What ion makes a solution alkaline?

• H⁺

• OH^-

• NH₄⁺

• SO₄^2-

Which of the following solutions is acidic?

• NH₃

• NaOH

• H₂SO₄

• Na₂CO₃

Which of the following solutions is alkaline?

• HCl

• KOH

• HNO₃

• CH₃COOH

What do hydroxide ions and hydrogen ions react to form?

• carbonate ions

• ammonia

• a salt

• water

What type of reaction takes place between an acid and an alkali?

• displacement

• redox

• neutralisation

• oxidation

What is transferred during a neutralisation reaction?

• acids

• alkalis

• protons

• bases

What is the formula for a hydrogen ion?

• OH^-

• H⁺

• OH⁺

• H^-

What is the formula for a hydroxide ion?

• OH^-

• H⁺

• OH⁺

• H^-