WS 7.1

All acids contain oxygen.

• T

• F

Acids turn Universal Indicator solution yellow or red.

• T

• F

Citric acid is found in oranges.

• T

• F

The formula for magnesium sulfate shows that there are four atoms of sulfur.

• T

• F

Some acids are corrosive.

• T

• F

Acids react with some metals to form salts.

• T

• F

Acids have a pH of more than 7.

• T

• F

The formula for sulfuric acid is H2SO4.

• T

• F

Sodium hydroxide is an acid.

• T

• F

To test for hydrogen, you should place a lighted splint in the gas. If it makes a squeaky pop sound when it burns, it is hydrogen.

• T

• F