Which of these pH values represent an acid?

• 4

• 8

• 10

• 12

Milk is a very weak acid. What might its pH value be?

• 6.5

• 7.8

• 4.2

• 12.2

Tags

NGSS.MS-PS1-2

Which of the following are properties of acids?

• They conduct electricity when dissolved in water

• They taste sour

• They react with metals to produce hydrogen gas

• All of the answer choices are correct

Which of the following is a property of a base?

• bitter taste

• reacts with metals

• salty

• sour taste

Which of the following pH values represents a base?

• 2.1

• 4.6

• 6.8

• 8.1

Which has a slippery texture?

• Acid
• Base

Drinking water has a pH of 

• 2
• 7
• 0
• 14

You can't eat bases.

• True
• False

Coke is an acid.

• True
• False

Which of the following is the weakest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

Tags

NGSS.MS-PS1-2