Revision Final Grade 11 SABIS T1 Quiz on Acids, Bases, and Salts

Which of the following is a strong electrolyte?

• CH₃COOH

• HCl

• H₂O

• NH₃

What is the pH of a neutral solution at 25°C?

• 0

• 7

• 14

• It depends on the temperature

According to the Arrhenius definition, a base is a substance that:

• Donates protons.

• Accepts protons.

• Increases [OH⁻] in water.

• Increases [H⁺] in water.

Which of the following weak electrolytes partially dissociates in aqueous solution?

• NaOH

• HCl

• CH₃COOH

• KBr

What is the [H⁺] in a 0.010 M solution of HCl at 25°C?

• 0.010 M

• 1.00 × 10⁻⁷ M

• 0.005 M

• 0.020 M

Which indicator turns colorless in a basic solution?

• Litmus

• Methyl orange

• Phenolphthalein

• Thymolphthalein

In the reaction Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g), magnesium is:

• Oxidized

• Reduced

• Neither oxidized nor reduced

• Both oxidized and reduced

What is the pH of a solution with [OH⁻] = 1.00 × 10⁻⁴ M at 25°C?

• 4

• 10

• 7

• 14

Which oxide is amphoteric?

• MgO

• CO₂

• Al₂O₃

• SO₃

What gas is produced when an acid reacts with a carbonate?

• Hydrogen

• Carbon dioxide

• Oxygen

• Chlorine