ACIDS & BASE REVIEW 1

Which is NOT a property of acids?

• slippery

• pH below 7

• dissociate in water

• contain H¹⁺ ions

Which is NOT a property of bases?

• caustic

• corrosive

• pH below 7

• bitter

What gas forms when an acid reacts with a metal?

• O₂

• H₂

• H

• CO₂

What is the purpose of an "indicator"?

• changes color if a chemical reaction occurs

• changes color if a physical change occurs

• changes color in the presence of an acid or base

• changes color when a salt dissolves in water

The table shows the pH of several solutions. Which solution has the greatest concentration (amount) of H⁺ ions?

• vinegar

• milk

• water

• bleach

Solutions that conduct electricity when dissolved in water ___.

• are called electrolytes

• are always salts

• can be covalent compounds

• are never acids or bases

What is a substance that produces Hydronium ions when it dissolves in Water?

• Acid

• Base

• Ionization

• Hydronium Ion

When a water molecule looses a Hydrogen the other remaining part OH^- is known as what?

• Hydronium ion

• Hydroxide

• Ion

• Acid

Which are True about Acids?

• The have a pH less than 7

• They have a pH greater than 7

• They have a Sour Taste

• They have a bitter Taste

• They form electrolytes in solution

Turns litmus red

• Acids

• Bases

• All