Acids and Bases

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

Tags

NGSS.HS-PS1-1

HF is...

• an acid

• a base

• a salt

• an ionic compound

HNO₂

• a base

• a salt

• an acid

• an ionic compound

Releases hydrogen in an aqueous solution.

• base
• strong base
• acid
• weak base

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

Which of the following statements is correct?

• Blue litmus paper turns red when placed in a base.
• Red litmus paper turns blue when placed in a base.
• Blue litmus paper stays blue when placed in an acid.
• Red litmus paper stays red when placed in a base.

What completely ionizes in solution?

• Weak acids

• Strong acids

• Strong Salts

• Neutral salts

Bases have a pH of

• 7

• Less than 7

• More than 7

An arrhenius acid

• produces hydroxide ions in a solution

• is a proton donor

• produces hydrogen ions in a solution

• is a proton acceptor