Acids & Bases

Which of the following substances is an Arrhenius acid?

• NaOH

• NH₃

• HCl

• CH₄

Which statement best describes a Bronsted-Lowry base?

• Releases OH⁻ ions

• Accepts a proton

• Dissociates completely

• Forms a salt in water

What is the conjugate base of H₂CO₃?

• CO₃²⁻

• HCO₃⁻

• OH⁻

• H₃O⁺

Which of the following reactions represents a neutralization reaction?

• H₂O → H⁺ + OH⁻

• HCl + NaOH → NaCl + H₂O

• NaCl + AgNO₃ → AgCl + NaNO₃

• H₂ + Cl₂ → 2HCl

A solution has a pH of 3. What is its nature?

• Strongly basic

• Weakly basic

• Weakly acidic

• Strongly acidic

Which compound is most likely to act as an amphoteric substance?

• HCl

• NaOH

• H₂O

• NH₄Cl

Which of the following is a strong acid?

• HC₂H₃O₂

• HNO₃

• H₂CO₃

What color would universal indicator turn in a solution of pH 10?

• Red

• Yellow

• Green

• Blue

What is the pH of a 0.0010 M HCl solution?

• 1

• 2

• 3

• 4

Which equation correctly shows the reaction of ammonia with water?

• NH₃ + HCl → NH₄Cl

• NH₃ + H₂O → NH₄⁺ + OH⁻

• NH₃ → NH₄⁺ + e⁻

• NH₄⁺ + OH⁻ → NH₄⁺ + H₂O