acid base indicators

What do acids do to red litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

What do bases do to red litmus paper?

• Turn it Red 
• Turn it Blue
• Turn it Yellow
• Turn it Green

Have a sour taste

• acid
• base
• neither
• both

Have a bitter taste

• acid
• base
• neither
• both

Which food is the most acidic?

• bananas
• lemon juice
• orange juice
• fish

Which indicator is blue in a solution that has a pH of 5.6?

• bromcresol green

• bromthymol blue

• thymol blue

• methyl orange

Based on the results of testing colorless solutions with indicators, which solution is most acidic?

• solution where bromthymol blue is blue

• solution where bromcresol green is blue

• solution where phenolphthalein is pink

• solution where methyl orange is red

Tags

NGSS.MS-PS1-2

In which solution will thymol blue indicator appear blue?

• 0.1 M CH₃COOH

• 0.1 M KOH

• 0.1 M HCl

• 0.1 M H₂SO₄

Tags

NGSS.MS-PS1-2

Three samples of the same solution are tested, each with a different indicator. All three indicators, bromthymol blue, thymol blue and bromcresol green appear blue if the pH of the solution is

• 4.7

• 6.0

• 7.8

• 9.9

Tags

NGSS.MS-PS1-2

Which indicator is blue in a solution that has a pH of 5.6?

• bromcresol green

• bromthymol blue

• thymol blue

• methyl orange