Acids and Bases Review

According to the Arrhenius Theory, the acidic property of an aqueous solution is due to an excess of

• H₂

• H⁺

• H₂O

• OH⁻

Which formula represents a salt?

• KOH

• KCl

• CH₃OH

• CH₃COOH

Which solution will turn litmus from red to blue?

• H₂S(aq)

• NH₃(aq)

• SO₂(aq)

• CO₂(aq)

Which substance is always produced in the reaction between hydrochloric acid and sodium hydroxide?

• water

• hydrogen gas

• oxygen gas

• a precipitate

Tags

NGSS.MS-PS1-2

Which species can act as an Arrhenius acid in aqueous solution?

• Cl⁻

• K⁺

• Li⁺

• HCl

According to the Brønsted-Lowry theory, an acid is

• a proton donor only

• a proton acceptor only

• a proton donor and a proton acceptor

• neither a proton donor nor a proton acceptor

When an Arrhenius base is placed in H₂O, the only negative ion present in the solution is

• OH⁻

• H₃O⁻

• H⁺

• O²⁻

Which species is classified as an Arrhenius base?

• CH₃OH

• LiOH

• PO₄³⁻

• CO₃²⁻

Tags

NGSS.HS-PS1-1

A neutral solution of a salt in water contains

• fewer H3O+ ions than OH- ions

• more H3O+ ions than OH- ions

• an equal number of H3O+ ions and OH- ions

• neither H3O+ ions nor OH- ions

Which balanced equation represents a neutralization reaction?

• H2SO4 + 2LiOH → Li2SO4 + 2H2O

• BaCl2 + Cu(NO3)2 → Ba(NO3)2 + CuCl2

• 2KClO3 → 2KCl + 3O2

• Mg + NiCl2 → MgCl2 + Ni