Acid Base Equilibrium Review

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

• Acid

• Alkaline

• Base

• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base

• Acid

• Buffer

• Water

If a solution has a [H⁺] of 9.3x10^-11, what is the pH?

• 10.0

• 4.0

• 3.5

• 8.2

If the pH of a solution is 5.6 the pOH is

• 6.5

• 12.4

• 8.4

• 5.6

This symbol indicates that a reaction is ____________

• reversible

• irreversible

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

A neutralisation reaction is a reaction between 

• Acid and a Base 

• Acid and water 

• Base and water 

• None of the above 

Tags

NGSS.MS-PS1-5

According to Arrhenius, what is the definition of an ACID?

• a substance that contains hydroxide and ionizes to produce OH-

• a substance that contains hydrogen and ionizes to produce H+

• a substance that contains hydrogen and ionizes to produce OH-

• a substance that contains hydroxide and ionizes to produce H+

A solution with a pH of 8.6 would be...

• Acid

• Base

• Neutral

• Acid and Base

Bleach is a strong base, what is the pH level of bleach?

• 13

• 14

• 1

• 2