Acids and bases

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7
• Acids; pH greater than 7
• Bases; pH greater than 7
• Bases; pH less than 7

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Which compound is the conjugate base?

HCO₃^- + HCl ==> H₂CO₃ + Cl^-

• HCO₃^-

• HCl

• H₂CO₃

• Cl^-

Tags

NGSS.HS-PS1-2

NH₃ + H₂O --> NH₄⁺ + OH^-

What is H₂O in this reaction?

• acid

• base

• conjugate acid

• conjugate base

In the reaction below, H₂O is a(n):

H₂SO₃ + H₂O --> H₃O⁺ + HSO₃^-

• base

• acid

• conjugate acid

• conjugate base

In the reaction HCl + H₂O --> H₃O⁺ + Cl^-, what is the conjugate acid?

• HCl
• H₂O
• H₃O⁺
• Cl^-

Given the equation:

H₂SO₄ + H₂O ↔ H₃O⁺ + HSO₄^{- 1}

What is the conjugate acid?

• H₂SO₄

• H₂O

• H₃O⁺

• HSO₄^{- 1}

What is the conjugate base in the following reaction?

• HCO₃^- 
• HCl
•  H₂CO₃ 
• Cl^-

Tags

NGSS.HS-PS1-2

Which accepts protons?

• Brønsted-Lowry Acids
• Brønsted-Lowry Bases
• Arrhenius Acids
• Arrhenius Bases

What is the conjugate base of HCO₃^-?

• HCO₃^-
• H₂CO₃^-
• H₂CO₃
• CO₃^2-

What substances increase H⁺ ion concentrations when dissolved in water?

• Brønsted-Lowry Acids
• Brønsted-Lowry Bases
• Arrhenius Acids
• Arrhenius Bases