CHEMISTRY- 5.5 Understanding Precipitation
Reactions in Chemistry- STUDY GUIDE WITH 100%
CORRECT SOLUTIONS
Hard Water - ✔✔Water containing dissolved calcium and magnesium ions.
Soap Scum - ✔✔Gray residue from soap reacting with hard water ions.
Sodium Carbonate - ✔✔Common substance used to soften hard water.
Calcium Carbonate - ✔✔Insoluble compound that precipitates from hard
water.
Magnesium Carbonate - ✔✔Insoluble compound that precipitates from hard
water.
Precipitation Reaction - ✔✔Reaction forming a solid from two solutions.
Lead(II) Iodide - ✔✔Brilliant yellow precipitate from potassium iodide and
lead(II) nitrate.
Reactions in Chemistry- STUDY GUIDE WITH 100%
CORRECT SOLUTIONS
Hard Water - ✔✔Water containing dissolved calcium and magnesium ions.
Soap Scum - ✔✔Gray residue from soap reacting with hard water ions.
Sodium Carbonate - ✔✔Common substance used to soften hard water.
Calcium Carbonate - ✔✔Insoluble compound that precipitates from hard
water.
Magnesium Carbonate - ✔✔Insoluble compound that precipitates from hard
water.
Precipitation Reaction - ✔✔Reaction forming a solid from two solutions.
Lead(II) Iodide - ✔✔Brilliant yellow precipitate from potassium iodide and
lead(II) nitrate.