Intro Acid/Base

What type of litmus paper do you use to test acids?

• Red

• Blue

• Green

Which of the following statements about acids is true?

• They taste sweet.
• They taste sour.
• They have a pH between 8-14.

Which has a bitter taste?

• Base
• Acid
• flagella
• cila

Which has a slippery texture?

• Acid
• Base

Turns litmus red

• Acids
• Bases
• All

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Which type of ion does a base produce when it is dissolved in water?

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

What is the pH of a solution that contains 25 grams of HCl dissolved in 1.5 L of water?

• 0.45

• 0.34

• -1.22

• 1.22

If a solution has a [OH⁺] concentration of 4.5 x 10^-7 M, is this an acidic or basic solution?

• Highly acidic

• Slightly acidic

• Highly basic

• Slightly basic

Determine the pH of a 4.3 x 10^-4 M NaOH solution.

• 11.5

• 2.53