Unit 2 AOS 1 - Acids & Bases reactions Quiz (8B)

Which of the following is a strong acid?

• Hydrochloric acid (HCl)

• Acetic acid (CH₃COOH)

• Carbonic acid (H₂CO₃)

• Phosphoric acid (H₃PO₄)

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

• 0

• 7

• 14

• 1

According to the Bronsted-Lowry theory, an acid is defined as:

• A substance that donates a proton (H⁺)

• A substance that accepts a proton (H⁺)

• A substance that donates an electron

• A substance that accepts an electron

Identify the conjugate base of H₂SO₄.

• HSO₄⁻

• SO₄²⁻

• H₃SO₄⁺

• H₂SO₃

Write the balanced equation for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH).

Which of the following is a polyprotic acid?

• Hydrochloric acid (HCl)

• Sulfuric acid (H₂SO₄)

• Nitric acid (HNO₃)

• Hydrofluoric acid (HF)

Which of the following pairs correctly represents a conjugate acid-base pair?

• HCl and Cl₂

• H₂O and OH⁻

• H₂SO₄ and SO₄²⁻

• NH₃ and NH₄⁺

What is the general reaction between an acid and a base?

• Acid + Base → Salt + Water

• Acid + Base → Acid + Base

• Acid + Base → Salt + Hydrogen

• Acid + Base → Salt + Oxygen

What is the product when an acid reacts with a metal?

• Salt and Water

• Salt and Hydrogen gas

• Salt and Oxygen gas

• Salt and Carbon dioxide

• 3

• 7

• 10

• 14