Strong and Weak Acids and Bases

Which pH number below reflects a weak acid?

• 1

• 6

• 8

• 13

pH stands for:

• Potency of hydrogen

• Plurality of hydrogen

• Potential of hydrogen

• Pleurisy of hydrogen

True or false: bases are sometimes called alkaline.

• True

• False

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

Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?

• 2

• 6

• 9

• 13

HCl is aciidic in

• in gaseous state

• in benzene solution

• in aqueous solution

• in any of these

in aqueous solution, H+ ions exist as

• H₃0⁺

• H₉O₄⁺

• Neither of these

• either H₃0⁺ or H₉O₄⁺

Tags

NGSS.MS-PS1-1

What property do all three of these common household substances have in common?

• they are all basic

• they taste sour

• they have a pH below 7

• they all turn litmus paper red

If you have a solution that is very acidic with a pH of 3.5, what can you do to raise the pH? 

• add more acid

• add more water

• increase the temperature

• add a base

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7

• Acids; pH greater than 7

• Bases; pH greater than 7

• Bases; pH less than 7