AP Chemistry Acid Base Basics

A chemist is working with a liquid substance that tastes bitter, feels slippery, and conducts an electric current. Which of the following is the chemist most likely working with? 

• a salt
• a base
• an acid
• distilled water

Which of these is a weak base?

• NH₃

• KOH

• HCOOH

• HBr

Which of these is a strong acid?

• NH₃

• CH₃COOH

• HClO₃

• HF

Which of the following describes H₂SO₄

• Weak acid

• Strong base

• Strong acid

• Weak base

I have a pOH have 4.23. Am I acidic or basic?

• Acidic
• Basic
• Neutral

What is the pOH of a solution that has a pH of 2?

• 10
• 12
• 14
• 1

Which chemical is a proton acceptor?

• Acid

• Base

Hydrochloric acid (HCl) and acetic acid (HC₂H₃O₂) are both acids. HCl completely dissociates in water, while HC₂H₃O₂ does not. Which of the following statements best describes these two acids?

• HCl is a weak acid, HC₂H₃O₂ is a weak acid.

• HCl is a strong acid, HC₂H₃O₂ is a strong acid.

• HCl is a strong acid, HC₂H₃O₂ is a weak acid.

• HCl is a weak acid, HC₂H₃O₂ is a strong acid.

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer