genyjoannerubiera
26.10.2020 •
Chemistry
9. First identify the following as either homogeneous substances or
heterogeneous mixtures. Then further classify as either elements,
compounds or mixtures:
a. Earth
i. Air
b. H(9) I
j. CuSO4(s)
C. Cuso, (aq)
k. NaCl (1)
d. Magnesium solid
1. Methane gas
e. Na (s)
m. Antimony (1)
f. Sugar (1)
n. H20 (1)
g. C.H2O. (aq)
o. 02 (9)
h. NaCl (aq)
p. CO (9)
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Ответ:
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Ответ:
You could write about anything. Some examples you might include are the following:
Heat the metal until it melts (physical change). Attempt to react the metal with oxygen (chemical change). Stretch the metal into a wire (physical change). Attempt to react the metal with acid (chemical change).