Label each of the following as either a pure substance or a mixture.
A. Concrete
____________
B. water
____________
C. oxygen
____________
D. air
____________
2007-01-25 12:13:21 · 11 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
A. mixture
B. compound, pure substance
C. pure substance
D. mixture.
2007-01-25 12:17:20 · answer #1 · answered by feanor 7 · 1⤊ 0⤋
a mix
b mixture
c pure substance
d mixture
2007-01-25 12:17:24 · answer #2 · answered by Night visions 6 · 1⤊ 1⤋
Oxygen is pure, the others are not. Now you tell me why?
a. mix of rock and stuff
b. water (H2O) hydrogen and oxygen
c. oxygen (O) gaseuous element from periodic table
d. air mixture of gases that includes oxygen, hydrogen, nitrogen, carbon dioxide and other stuff
You didn't think I was going to give you the answer with out you learning something did you?
2007-01-25 12:19:19 · answer #3 · answered by fuzzbutt 4 · 1⤊ 0⤋
Here ya' go - substances are elements. Mixtures are combinations of two or more elements.
2007-01-25 12:19:10 · answer #4 · answered by emsviper 2 · 1⤊ 0⤋
By whose definition. All mentioned are mixtures of different elements.
2007-01-25 12:17:47 · answer #5 · answered by Anonymous · 0⤊ 1⤋
a- mix
b-pure
c-pure
d-pure
2007-01-25 12:22:05 · answer #6 · answered by Anonymous · 0⤊ 0⤋
mix,pure,pure,mix
2007-01-25 12:17:44 · answer #7 · answered by critter man 3 · 0⤊ 0⤋
dang what grade r u in??????
A. Mixture
B. Mix
C.Pure
D. Miwture
2007-01-25 12:22:13 · answer #8 · answered by Lalilalila<3 3 · 0⤊ 0⤋
mix, mix, pure, mix
2007-01-25 12:19:53 · answer #9 · answered by ErinMarie 2 · 0⤊ 0⤋
mix
mix
pure
mix
2007-01-25 12:18:34 · answer #10 · answered by spartan_1117 3 · 0⤊ 1⤋