Chemistry Notes

What is a property of an acid related to pH level?

pH is less than 7.

What taste do acids commonly have?

Sour taste.

What gas is produced when acids react with metals?

Hydrogen gas (H₂).

Acids increase the concentration of which ion in water?

Hydrogen ions (H⁺).

What is one way to identify an acid using litmus paper?

It turns blue litmus paper red.

What state do acids typically exist in?

They are usually liquids.

What characteristic do bases have regarding taste?

They have a bitter taste.

What is a property of bases related to pH level?

pH is greater than 7.

How do bases typically feel to the touch?

They are slippery.

What color change indicates the presence of a base with litmus paper?

Bases turn litmus paper blue.

What do you call the reaction between acids and metals?

Acid + Metals → Salt + Hydrogen.

What two products result from the reaction of an acid with a base?

Salt + Water.

What does a Bronsted-Lowry acid do?

Donates a proton to another substance.

What does a Bronsted-Lowry base do?

Accepts a proton.

What is a conjugate acid?

An acid that forms when a base gains a proton.

What is a conjugate base?

A base that forms when an acid loses a proton.