Science

What does pH stand for?

• purple hair

• particles of Hydrogen

• perfect Hydrogen

• potential of Helium

What is the range of the pH scale?

• 0-7

• 0-10

• 0-14

The pH scale is used to know what?

• Your temperature

• The colors of acids and bases

• The strength of acids and bases

Acids have a pH of _______________.

• below 7

• above 7

• exactly 7

Bases have a pH of _______________.

• below 7

• above 7

• exactly 7

Neutral solutions have a pH of _______________.

• below 7

• above 7

• exactly 7

What ions are there more of in acidic solutions?

• H+

• OH-

What ions are there more of in basic solutions?

• H+

• OH-

Which one of the following is NOT a property of acids.

• Tastes sour

• Corrodes metals

• Conduct electricity

• Turns red litmus paper blue

Which one of the following is NOT a property of basic solutions?

• Feels soapy/slippery

• Tastes sour

• Conducts electricity

• Turns red litmus paper blue