PS SOL Acids and Bases

Ammonia has a pH of 12.  Ammonia is __________.

• an acid
• a base
• an element
• a metal

Soap is a weak base.  What is true about the taste of bases?

• they taste sour
• they taste sweet
• they taste bitter
• they taste salty

What does the pH scale measure?

• the concentration of acids and bases
• the malleability of a metal
• the temperature of the water in a swimming pool
• the amount of phosphorus in a compound

Which of the following is true about acids and bases?

• The lower the pH, the stronger the acid
• the higher the pH, the stronger the acid
• The lower the pH, the more neutral the acid
• The higher the pH, the weaker the base

Which type of ion does a base produce when it is dissolved in water?

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

Which statement is true when acids and bases are mixed together?

• acids become stronger
• bases become stronger
• there is no change
• they neutralize each other

Tags

NGSS.MS-PS1-2

What is the pH of a neutral substance?

• 0
• 5
• 7
• 10

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Any substance that produces hydroxide ions in water is known as _____________.

• an acid
• a hydrogen ion
• a base
• a neutral

Bases are

• Slippery
• Sour
• Sweet
• Spoiled