pH

Which of the following is true about the pH scale? (Select ALL that apply)

• Scale ranges from 0-10

• Scale ranges from 0-14

• Lower numbers are acids and higher numbers are bases

• Lower numbers are bases and higher numbers are acids

• pH 0 is neutral

Which of the following is true about acids (Select ALL that apply)

• Taste is bitter

• Taste is sour

• pH is less than 7

• pH is greater than 7

• Slippery touch

Which of the following is true about bases (Select ALL that apply)

• pH is greater than 7

• pH is less than 7

• High concentration of hydrogen ions

• slippery touch

• corrosive to metal

Which two pH values would neutralize to form a salt and water?

• pH 1 and pH 2

• pH 0 and pH 14

• pH 1 and pH 9

• pH 6 and pH 7

Which pH is more acidic that a pH of 5?

• pH 6

• pH 14

• pH 3

• pH 8

Which gases causes rainwater to be considered "acid rain," with a pH below 5.6.

• nitrogen dioxide

• carbon dioxide

• hydrogen sulfide

• sulfur oxides

• limestone

Tags

NGSS.MS-PS1-2

What is the main reason for rainwater to become acidic, having a pH less than 5.6.

• too much limestone

• too much fossil fuels being burned

• too much runoff of sediment from construction

• too much runoff of fertilizers

Tags

NGSS.MS-ESS3-4