Unit 7 Acid Base MC Questions

Ammonia has a pH of 12.  Ammonia is __________.

• an acid
• a base
• an element
• a metal

Explain what happens when a strong acid and a strong base are poured into the same container.

• they form separate layers
• they mix physically but not chemically
• they break apart into separate elements
• they react chemically to form a salt

Which statement is true when acids and bases are mixed together?

• acids become stronger
• bases become stronger
• there is no change
• they neutralize each other

When dissolved in water, acids produce:

• bases
• salts
• hydrogen ions
• hydroxide ions

Complete the word equation below:

Acid + alkali --> ............... + water

• water

• salt

• gold

• metal

.............................. + sodium hydroxide --> sodium chloride + water

• Nitric acid

• Sulphuric acid

• Hydrochloric acid

• Ethanoic acid

Products of a neutralisation reaction are always

• an acid and a base

• an acid and a salt

• salt and water

• salt and base

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which solution releases H+ in solution?

• Base
• Acid
• Buffer
• Water

What is the formula for Nitric Acid?

• HNO₂
• HNO₃
• HNO₄
• H₂NO₃

What is the formula for hydrochloric acid?

• HCl
• HClO
• H₃ClO₃
• HClO₃