Gas chromatography can be performed in which of the following ways?
A. Only in columns
B. Only on plane surfaces
C. Either in columns or on plane surfaces
D. Neither in columns nor on plane surfaces
Answer:A
Gas chromatography can be performed in which of the following ways?
A. Only in columns B. Only on plane surfaces C. Either in columns or on plane surfaces D. Neither in columns nor on plane surfaces
Explanation: Gas chromatography can be performed only in columns. It could be gas-solid chromatography or gas-liquid chromatography.