Unit 6: Acids and Bases

Which of the following word pairs correctly completes the sentence below? _______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH greater than 7

• Bases; pH less than 7

• Acids; pH less than 7

• Bases; pH greater than 7

Tags

NGSS.MS-PS1-2

According to the pH scale, which substance is more acidic than lemon juice?

• milk

• Hydrochloric acid

• cabbage

• water

Tags

NGSS.MS-PS1-2

What is the pH value of a neutral solution at 25°C?

• 0

• 7

• 14

• 10

Which of the following is a property of bases?

• Sour taste

• Turns litmus paper red

• Slippery to touch

• Releases hydrogen gas when reacting with metals

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

Tags

NGSS.MS-PS1-2

What is the name of the following acid or base?
HNO₃

• Nitric acid

• Hydronitric acid

• Nitrous acid

What is the name of the following acid or base?
HCl

• hydrochloric acid

• chloric acid

• chlorous acid

What is the name of the following acid or base?
H₂SO₄

• sulfuric acid

• hydrosulfuric acid

• sulfurous acid

What is the name of the following acid or base?
H₂SO₃

• sulfurous acid

• hydrosulfuric acid

• sulfuric acid

What is the name of the following acid or base?
HC₂H₃O₂

• acetic acid

• hydroacetic acid

• acetous acid