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1. |
Gas chromatography can be performed in X, whereas liquid chromatography can be performed in Y. Identify X and Y. |
A. | X = only plane surfaces, Y = only columns |
B. | X = only columns, Y = only plane surfaces |
C. | X = only columns, Y = columns or plane surfaces |
D. | X = columns or plane surfaces, Y = only plane surfaces |
Answer» D. X = columns or plane surfaces, Y = only plane surfaces | |