Acids (Part I)

Acids

By Angela Toh

Multiple Choice

A sour taste is a characteristic of:

• acids

• bases

• neutral

• pH scale

Multiple Choice

Since some acids seemingly "eat away" certain substances, acids are ____.

• bitter
• sliipery
• corrosive
• weak

Multiple Choice

What color does litmus paper turn in the presence of an acid?

• blue
• black
• green
• red

Multiple Choice

Acids are located where on the pH scale?

• any number can be a base
• below 7
• above 7
• number 7 is a base

Multiple Choice

Taste sour

• acids

• bases

• neutral

• pH scale

Multiple Choice

Which is the correct set of acid properties?

• sour taste, corrosive, change litmus from red to blue

• sour taste, corrosive, change litmus from blue to red

• sweet taste, slippery, change litmus from blue to red

• sour taste, slippery, change litmus from blue to red

Open Ended

State one physical property of acids.

Multiple Choice

Acid + Metal --> ?

• Salt + Water
• Salt + Hydrogen
• Salt
• Hydrogen

Multiple Choice

Iron + Hydrochloric acid --> ?

• iron sulfate + water
• iron + hydrogen
• iron chloride + hydrogen
• iron chloride + water

Multiple Choice

Magnesium + sulfuric acid --> ?

• magnesium sulfate + water
• magnesium sulfate + hydrogen
• magnesium chloride + hydrogen
• magnesium chloride + water

Multiple Choice

Zinc + nitric acid --> ?

• zinc sulfate + water
• zinc sulfate + hydrogen
• zinc nitrate + hydrogen
• zinc chloride + water

Multiple Choice

Which gas will extinguish a lighted splint with a 'pop' sound when the lighted splint is placed in it?

• hydrogen
• oxygen
• carbon dioxide
• nitrogen

Multiple Choice

Which salt will be produced if magnesium react with hydrochloric acid?

• Magnesium oxide
• Magnesium sulfate
• Magnesium sulfide
• Magnesium chloride

Multiple Choice

Which salt will be produced if zinc react with nitric acid?

• Zinc oxide

• Zinc nitrite

• Zinc nitride

• Zinc nitrate

Multiple Choice

Which salt will be produced if iron react with sulfuric acid?

• Iron oxide

• Iron sulfite

• Iron sulfide

• Iron sulfate

Open Ended

State the test for hydrogen gas and give the positive result for the test.