SPRINGS Acids & Bases 2019

If the [H+] of a solution is 1 x 10^-2 mol/L the pH is

• 2
• 12
• -2
• 1

If the pH of a solution is 5.6 the pOH is

• 6.5
• 12.4
• 8.4
• 5.6

A  pH and a pOH will add up to:

• 0
• 7
• 14
• 1.0 x 10^-14

A solution with a [H+] of 9.4 x 10^-5 mol/L is said to be

• Acidic
• Basic
• Neutral
• negative number, no solution.

Limes have a [H₃O⁺] of 1.3 x 10^-2 mol/L.  Their pOH is

• 1.89
• 12.11
• 1.03
• 12.97

Which of the following is the strongest base?

• oven cleaner - 13.5

• lemon juice - 2.5

• soap - 10

• blood - 7.4

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

A scientist runs tests on an unknown substance. He finds that it is extremely corrosive. It produces H+ ions in solution. And, it has a pH of 1. What type of substance has he identified?

• weak acid

• strong acid

• weak base

• strong base

A substance is found to have the following characteristics:

Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water

In what category would the substance be classified?

• acid

• base

• enzyme

• fatty acid

What type of solution is formed when the H+ ions equal the OH- ions?

• acidic

• basic or alkaline

• neutral

• enzymatic