8th grade acids, bases and pH

Distilled water is ___________?

• an acid

• a base

• neutral

Acidic compounds give food a ___________taste?

• sweet

• sour

• spicy

• mild

When acid reacts with a base its called?

• neutralization

• reduction

• decomposition

• oxidation

What is the symbol for the hydroxide ion?

• H+

• OH-

• HOH-

Ammonia has a pH of 11. Is this an acid, base, or neutral solution?

• acid

• base

• neutral

Which of the following is an acid?

• HCl

• NaOH

• KCl

• Ba(OH)2

Which of the following is a base?

• Hydrochloric acid

• Sodium Hydroxide

• Potassium chloride

• hydrogen bromide

if red litmus paper was used on orange juice, what color would appear?

• red

• blue

• green

• yellow

what color will red litmus paper turn when dipped in soapy water?

• red

• blue

• green

• yellow

True or false: Lemons are acids

• true

• false