Bellwork 4 6th Six Weeks

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 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

A solution with a pH of 7 is________

• increasing
• neutral
• decreasing
• apple juice

What is the [OH-] if the [H+] is 1.0 x 10-3M?

• 1.0 x 10-3 M
• 6.02 x 10-23 M
• 1.0 x 10-14 M
• 1.0 x 10-11 M

What is the pH of a 1.53 x 10^-6 M solution of HCl?

• 5.82

• 8.18

• 6.99

• 4.15

What is the pH of a solution if [H⁺] = 6.0 x 10^-10 M?

• 3.45
• 6.25
• 9.22
• 11.34

Which solution would be least likely to carry an electric current?

• NaCl

• HCl

• C₆H₁₂O₆

• KClO₃

Which of the following is a non-electrolyte?

• CaO
• NaOH
• BaCl₂
• Br₂