Ch. 10 Physical Science

What do acids form in an aqueous solution?

• basic ions

• hydronium ions

• hydroxide ions

• litmus

The presence of a(n) __________ makes an apple taste tart.

• acid

• base

• salt

• worm

Which type of solutions conduct electricity?

• acidic

• basic

• Both basic and acidic

• Neither Basic nor acidic

Strong acids produce __________ than weak acids do.

• fewer hydrogen ions

• fewer hydroxide ions

• more hydrogen ions

• more hydroxide ions

Which of the following is not true concerning the pH scale?

• In a solution, the lower the pH value, the fewer hydronium ions present.

• The pH scale gauges how acidic a substance is.

• The pH value is a unitless number between 0 and 14.

• The pH value is determined by the amount of hydronium ions that are produced in a solution.

Ocean water is slightly basic. Which pH value would most likely represent the pH of ocean water?

• 1.1

• 6.9

• 8.1

• 12.9

Which statement is not true concerning a buffered system?

• Buffers include both acids and bases.

• Buffers respond to pH changes in the system.

• Buffers return buffered systems to a neutral pH value.

• Buffered systems can neutralize both acids and bases

What kind of reaction is a neutralization reaction?

• composition

• decomposition

• single-replacement

• double-replacement

What salt is produced by the neutralization of HF and NaOH?

• FOH

• H2 O (water)

• NaF

• NaH

Tags

NGSS.MS-PS1-5

Identify the substance below as an acid or a base.

Ammonia

• Acid

• Base