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Biology

30 December, 03:05

1. Which microscope is used for determining the chemical identity of a substance?

2. A piece of physical evidence is fused with sodium metal to form a solution. A deep yellow precipitate is obtained when nitric acid and silver nitrate is added to the solution. Which element does the physical evidence contain?

A.

carbon

B.

nitrogen

C.

iodine

D.

oxygen

class - forensic science