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Page 1 S.3.6 - Describe Concepts of Acids and Bases

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Total cards: 7•Content version: v4•Public deck•Updated: 8/1/2026

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#1
Front (Question)

A substance with a pH less than 7

Back (Answer)

Acid

#2
Front (Question)

A substance with a pH greater than 7

Back (Answer)

Base

#3
Front (Question)

A logarithmic scale based on the amount or concentration of hydrogen ions (H+) in a solution, calculated as pH = –log[H+] and used to express acidity or basicity.

Back (Answer)

pH

#4
Front (Question)

A chemical reaction in which mixing an acid with a base causes the H+ from the acid to combine with the OH– from the base, forming water

Back (Answer)

neutralization reaction

#5
Front (Question)

Which of the following substances is an example of an acid: HI CO2 NH3 KCl​​​​​​​

Back (Answer)

HI HI is hydroiodic acid, and in water it dissociates, forming H+ and I-. CO2 does not produce or donate H+ in water; if anything, it can be seen to accept H+. NH3 is a base. KCI is an ionic compound.

#6
Front (Question)

Orange juice, stomach acid, and coffee are all acids. Which of the following is the pH level for these substances?​​​​​​​

Back (Answer)

A pH less than 7 Acids have a pH lower than 7.

#7
Front (Question)

Predict the outcome of the neutralization reaction: H2SO4 + Ca(OH)2 →

Back (Answer)

H2SO4 + Ca(OH)2 → 2H2O+ CaSO4​​​​​​​