Physical Science Acids and Bases Test 4/8

Acids and Bases are which phase of matter?

• Solid

• Liquid

• Gas

Acids contain which type of ions?

• Hydrogen

• Hydroxide

• Oxygen

Bases contain which type of ions?

• Hydrogen

• Hydroxide

• Nitrogen

• Carbon

What does the pH scale measure?

• The strength of a substance

• The acidity of a substance

• How basic a substance is

What do acids and bases have in common?

• Substances at each end of the pH scale are dangerous (strong)

• Substances at ech end of the pH scale are very reactive

• They are both neutral

• They both contains high levels of hydrogen

Which of the following characteristics are true about acids?

• Taste sour

• Taste bitter

• Turn cabbage juice pink

• Are found in our digestive system

Which of the following is true about bases?

• Ex: Ammonia

• Are buffers

• Contain hydroxide ions

• Taste bitter

True or false: Acids and Bases can neutralize each other.

• True

• False

True or False: A strong acid is the same thing as a weak base. A strong base is the same thing as a weak acid.

• True

• False

Which key term means to add water?

• Saturate

• Concentrate

• Dilute