Acids and Bases Quiz (12/12)

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

• oxide
• oxygen
• hydrogen
• hydroxide

Tags

NGSS.MS-PS1-2

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Tags

NGSS.MS-PS1-2

Which of these pH values would indicate that a solution is a weak base?

• 4
• 5.6
• 8
• 13

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Tags

NGSS.MS-PS1-2

Why are bases useful as cleaning products?

• They dissolve fats and oils
• they are corrosive, so they eat anything
• they don't mix with water
• since bases are slippery, they slip dirt off of surfaces

What colour does a base turn red litmus paper?

• Red

• Blue

Tags

NGSS.MS-PS1-2

What pH is the strongest base?

• 1

• 7

• 4

• 14

Acids react with

• water to produce bases and salts
• salts to produce bases and water
• neither bases, salts nor water
• bases to produce salts and water

Tags

NGSS.MS-PS1-2

KOH is ...

• an acid

• a base

• a salt

• an ionic compound

Which of the following is the strongest acid?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Tags

NGSS.MS-PS1-2