Unit 1 Double Displacement

Question 1

A D.D. reaction will only occur if one of the
following is true:

Answer 1

1. a solid (i.e. precipitate) is produced
2. a gas is produced
3. reactants are an acid and base (i.e. neutralization

reaction produces liquid water)

Question 2

Sulfide compound reacts with an acid.

Answer 2

dihydrogen monosulfide gas + ionic compound

Question 3

_____ -> ionic compound + carbon dioxide gas + water

Answer 3

carbonate compound + acid

Question 4

sulfite compound + acid->

Answer 4

ionic compound + sulfur dioxide gas + water

Question 5

→ ionic compound + ammonia gas + water

Answer 5

ammonium compound + base

Question 6

neutralization

Answer 6

a “salt” (i.e. ionic compound) and water.