Question

Which of these substances
I) jello
II) gasoline
III) mercury
is a mixture?
A. III only

B. II and III only

C. All of these

D. I and III only

E. I and II only

F. I only

G. None of these

H. II only

Answer 1

E is the best because we have in nature mercury it Symbole : Hg and Masse atomique : 200,59 u ........... but the othrs one are prodected

Answer 2

Yes. Mercury is a pure substance.