Acids & Bases Review

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

Tags

NGSS.MS-PS1-2

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

HF is...

• an acid

• a base

• a salt

• an ionic compound

Tags

NGSS.HS-PS1-2

HNO₂

• a base

• a salt

• an acid

• an ionic compound

Increases the concentration of hydronium ions in an aqueous solution.

• base
• strong base
• acid
• weak base

Tags

NGSS.HS-PS1-1

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.

Tags

NGSS.MS-PS1-2

What is a titration?

• when the moles of hydrogen ions is equal to the moles of hydroxide ions

• adding a known amount of solution of known concentration to determine the concentration of an unknown

• reaction in which an acid and a base react in an aqueous solution to produce a salt and water

• the extent of ionization of an acid or base

Phenolophalein turns from clear to pink when the pH turns

• acidic

• basic

• saline

• ionic

Tags

NGSS.MS-PS1-2

What completely ionizes in solution?

• Weak acids

• Strong acids

• Strong Salts

• Neutral salts