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Reef Chemistry Question of the Day #268
Aside from differences in levels and types of trace impurities, three of the following four materials have the same basic chemical chemical composition, and one is different.
Which one has a different basic chemical composition?
A. Ruby
B. Sapphire
C. Emerald
D. Seachem Phosguard
Perhaps these pictures may help:
A.
B.
C.
D.
Good luck!
.
Aside from differences in levels and types of trace impurities, three of the following four materials have the same basic chemical chemical composition, and one is different.
Which one has a different basic chemical composition?
A. Ruby
B. Sapphire
C. Emerald
D. Seachem Phosguard
Perhaps these pictures may help:
A.
B.
C.
D.
Good luck!
.