acids and bases in solution

Which of the following substances is

NOT an acid?

• HCl

• B H 2 SO 4

• C NaOH

• D HNO 3

The negative ion found in bases is

the

• hydroxide ion

• hydrogen ion

• carbonate ion

• water ion

Which of the following substances is

most likely to have a pH close to 7?

• lemon

• antacid

• baking soda

• vinegar

Which of the following statements

is NOT true about neutralization?

• An acid and a base are the reactants.

• Salt and water are the products.

• There is no color change in litmus paper

  when the reaction is over.

• It produces an acid-base mixture that

  is more acidic than both the individual

  starting solutions.

A solution with a pH of 2 is more acidic than a solution with a pH of 6.

• True

• False

chemists use the ............................. to express concentration of hydrogen ions in solution .

• pH scale

• litmus paper

• acids

• bases

An acid produces................ ions in water.

• hydrogen

• hydroxide

• nitrogen

• carbon dioxide

Substances with pH values close to 14 are strong...............

• Acids

• Bases

Substances with pH values close to 14 are strong...............

• Acids

• Bases

A strip of litmus paper placed in a beaker of vinegar will turn.................

• blue

• red

• purple

• green