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

Fill in the Blanks

What gas is produced when a metal reacts with an acid?

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

Fill in the Blanks

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

Fill in the Blanks

State the test for hydrogen gas.

Open Ended

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