Science Chapter 9

A base produces ___ ions in solution.

• oxygen

• hydronium

• hydroxide

• sulfur

What is the formula of the salt formed when a solution of nitric acid is added to a solution of calcium hydroxide?

• Ca(NO3)2

• Ca(OH)2

• H2O

• CaH

An antacid relieves an overly acidic stomach because antacids are a _______.

• acidic

• neutral

• basic

• dilute

Detergents have replaced soap in many uses because detergents

• are made from animal fat.

• do not form insoluble substances.

• are milder than soap.

• contain ammonia.

Which of the following ionic equations best represents a neutralization reaction?

• Na + H2O → Na+ + OH− + H2

• HNO3 + H2O → H3O+ + NO3−

• 2OH− + NH4Cl → Cl− + H2O + NH3

• OH− + H3O+ → 2H2O

An increase in the hydronium ion concentration of a solution ___ the pH.

• raises

• lowers

• does not affect

• doubles

Bleach removes stains by

• changing the color of the stain.

• covering the stain.

• removing the stain-causing substances.

• disinfecting the stain.

Which one of these materials found in the kitchen is not acidic?

• baking soda

• lemon juice

• vinegar

• vitamin C

An acid produces _______ ions in solution

• Oxygen

• Hydronium

• Hydroxide

• Sulfur

Identify the two types of compounds produced by a neutralization reaction.

• water

• oxygen

• aluminum

• salt