Question

Which of the following is a characteristic of column chromatography?
A. A coil of electric current is used to ionize the eluent out of the mixture.
B. A column packed with silica beads is used to pass out the eluent.
C. A plot of chemical shifts is used to isolate the eluent.
D. A silica coated sheet is used to separate out the eluent.

Answer 1

what u think :)

Answer 2

God dammit

Answer 3

B?

Answer 4

yup ur right :) u know everything why are u not trying then ? be +ve dude

Answer 5

its a big grade. So i guess it wouldnt hurt to confirm im right

Answer 6

okok :)