Pre-Test : Acids, Bases, and Salts

Which of the following statements best describe an acid?

• pH greater than 7

• dissolves fats and oils

• usually forms OH ions

• pH less than 7

What is the primary characteristic of a base?

• pH less than 7

• neutralizes acids

• produces H+ ions

• has a sour taste

Which of the following is a common property of acids?

• turns blue litmus paper red

• feels slippery

• has a bitter taste

• produces OH- ions

What happens when an acid reacts with a metal?

• it produces hydrogen gas

• it forms a salt and water

• it increases the pH

• it turns the solution yellow

Which of the following does not belong to the group of strong acids?

• Hydrochloric Acid

• Nitrous Acid

• Nitric Acid

• Sulfuric Acid

Which of the following does not belong to the group of weak acids?

• Sulfuric Acid

• Acetic Acid

• Boric Acid

• Phosphoric Acid

Which of the following contains a common acid called acetic acid?

• stomach acid

• car battery

• vinegar

• soda

Which of the following does not belong to the group of weak bases?

• sodium carbonate

• potassium carbonate

• ammonia

• calcium hydroxide

Which of the following does not belong to the group of strong bases?

• sodium hydroxide

• sodium carbonate

• sodium phosphate

• barium hydroxide

Which of the following contains a common base called sodium hydroxide?

• soap

• antacid

• deodorant

• ammonia