Question 1

What is the difference between acid-base conjugate pair?

Accepted Answer

single proton

Answer

electron

Answer

neutron

Answer

oxygen

Question 2

Which of the following show an acid and its conjugate base pair?

Accepted Answer

H₂CO₃, HCO₃^-

Answer

NH₄⁺, H₂O

Answer

H₂SO₄, SO₄^2-

Answer

OH^-, H₂O

Question 3

Which of the following is a base property?

Accepted Answer

feel soapy and neutralize acids

Answer

taste sour and turn litmus red

Answer

irritate your skin and react with metals to produce bubbles

Answer

have pH less than 7

Question 4

What is the base category of bleach and oven cleaner?

Accepted Answer

strong bases

Answer

weak bases

Answer

weak acids

Answer

strong acids

Question 5

Which of the following is NOT a characteristic of an acid?

Accepted Answer

turns litmus paper blue

Answer

sour taste

Answer

corrosive

Answer

neutralizes bases

Question 6

Which one of the following is an example of a base?

Accepted Answer

dish soap

Answer

vinegar

Answer

lemons

Answer

orange juice

Question 7

Which of the following is caused by acid rain?

Accepted Answer

pollutants in the air such as SO₂ and NO₂ reacting with water

Answer

global warming, heating the earth's atmosphere

Answer

acids in the rain reacting with rocks containing carbonates

Answer

pollutants in the air such as SO₂ and NO₂ reacting with oxygen

Question 8

Which is TRUE about Bronsted Lowry base?

Accepted Answer

proton acceptor

Answer

proton donor

Answer

produces hydrogen ions in a solution

Answer

produces hydroxide ions in a solution

Question 9

Which of the following shows the correct conjugate acid base pair?

Accepted Answer

HCI (acid) / CI^- (conjugate base)

Answer

HCI (base) / H₃O⁺ (conjugate acid)

Answer

HCI (acid) / H₃O⁺ (conjugate base)

Answer

HCI (base) / CI^- (conjugate acid)

Question 10

Which of the following shows the correct conjugate acid base pair?

Accepted Answer

HPO₄^2- (acid) / PO₄^3-(conjugate base)

Answer

SO₃^2-(acid) / HSO₃^- (conjugate base)

Answer

SO₃^2-(base) / HSO₃^- (conjugate base)

Answer

HPO₄^2- (acid) / HSO₃^-(conjugate base)

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