Chemistry

A) An electron-pair acceptor B) A neutron source C) An electron-pair donor D) Only a substance with pH 7 Answer: […]

A) Only crystalline table salt B) A pure gas C) An ionic product formed alongside water D) Any sugar Answer: […]

A) The acid's density alone B) Extent of acid ionization at equilibrium C) Rate of diffusion D) Number of neutrons […]

A) Ability to conduct only electricity B) Ability to form only gases C) Ability to donate or accept a proton […]

A) NH₂⁻ B) NO₃⁻ C) NH₄OH only D) NH₄⁺ Answer: D Explanation: Ammonia accepts a proton as a Brønsted base. […]

A) HCO₃⁻ B) CO₃²⁻ C) H₃O⁺ D) OH⁻ Answer: A Explanation: One proton is removed from carbonic acid. The remaining […]

A) H₂SO₄ B) HSO₃⁻ C) SO₄²⁻ D) SO₃²⁻ Answer: C Explanation: Removing H⁺ from HSO₄⁻ leaves the sulfate ion, SO₄²⁻. […]

A) 1.0 × 10⁻⁷ B) 1.0 × 10¹⁴ C) 14 D) 1.0 × 10⁻¹⁴ Answer: D Explanation: Kw is [H₃O⁺][OH⁻] […]

A) Making a solution always neutral B) Removing all water C) Resisting a large pH change when small acid or […]

A) One unit B) Five units C) Ten units D) Two pH units Answer: D Explanation: The numerical difference is […]