Acids, Bases and Salts

Which of these taste sour?

• acids

• bases

• salts

Which of these feel slippery?

• bases

• acids

• salts

Which of these turn red litmus paper blue?

• acids

• bases

• salts

Tags

NGSS.MS-PS1-2

Which type of ions are produced by bases when they are in a water solution?

• OH^-

• H⁺

• H₂O

• HCl

Tags

NGSS.MS-PS1-2

The pH scale is used to determine the strength of

• acids and bases

• chemical bonds

• electrical charges

• particles in a solution

Tags

NGSS.MS-PS1-2

Anything with a pH of 7 is a(n)

• neutral substance

• acid

• base

• chemical salt

Tags

NGSS.MS-PS1-2

Chemicals formed when an acid and a base combine.

• salts

• noble gases

• metalloids

• hydroxides

Tags

NGSS.MS-PS1-2

A weak base will have a pH close to

• 8

• 6

• 0

• 14

A very strong acid will have a pH of

• 0

• 14

• 5

• 9

Tags

NGSS.HS-PS1-2

Litmus paper works because it has been treated with

• natural dyes

• radioactive isotopes

• halogens

• organic inhibitors

Tags

NGSS.MS-PS1-2