Acid-Base Chemistry Concepts

What is a characteristic taste of most bases?

• Sweet

• Bitter

• Sour

• Salty

What does a pH of 7 indicate about a solution?

• It is highly basic

• It is highly acidic

• It has equal hydrogen and hydroxide ions

• It has no ions

What happens to the pH scale when a base is strong enough to deprotonate water?

• It no longer applies

• It becomes more accurate

• It doubles

• It shows a negative value

What is the proton affinity of ortho-diethynylbenzenedianion?

• 440 kilocalories per mole

• 600 kilocalories per mole

• 100 kilocalories per mole

• 250 kilocalories per mole

Tags

NGSS.HS-PS3-1

What is one proposed use of sodium hydride?

• As a cleaning agent

• As a drying agent

• As a fertilizer

• As a food additive