Question

Which is a description of a precipitation reaction?

A.
Lead combines with oxygen to produce lead oxide.

B.
Water decomposes to form hydrogen and oxygen.

C.
Sulfuric acid combines with sodium hydroxide to produce water and sodium sulfate.

D.
Potassium iodide is added to lead nitrate to produce an insoluble yellow solid, lead iodide.

Answer 1

B I believe...but let meh check

Answer 2

ty

Answer 3

Erm let meh check .-. :P

Answer 4

it's D. The precipitate is the insoluble stuffs

Answer 5

ok thanks.

Answer 6

Yeah I wasnt sure so I was gonna check

Answer 7

Bibby is right