Acid and Base Review

The pH scale is a measurement of _________.

• H⁺ concentration

• OH^- concentration

• H₂O concentration

• Salt concentration

Which of the following does NOT describe an acid?

• sour

• pH of 0-7

• low H+ concentration

• corrodes metal

Which of the following does NOT describe a base?

• high OH- concentration

• has a pH of 7-14

• citrus fruits

• bitter in taste

If the substance is neutral, what would the pH be?

• 3

• 5

• 7

• 9

• 11

Acids are strongest near a pH of ____, and bases are strongest near a pH of _____.

• 0, 14

• 14, 0

• 7, 14

• 0, 7

When using the Bromothymyl blue indicator, an acid turns ______.

• yellow

• blue

• green

• pink

Tags

NGSS.MS-PS1-2

When using the Bromothymyl blue indicator, a base turns ______.

• yellow

• blue

• green

• pink

When Phenolphthalein turns a solution pink, the solution is _____.

• acidic

• neutral

• basic

• none of these

Which of the following will happen if litmus paper is used on a base?

• blue litmus paper will turn red

• red litmus paper will turn blue

• red litmus paper will stay red

• none of these

Tags

NGSS.MS-PS1-2

Which of the following substances is an acid?

• H₂O

• H₂SO₄

• NaOH

• MgCl₂

Tags

NGSS.HS-PS1-1