

MCQOPTIONS
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1. |
Which of the following is correct regarding the action of cationic surfactant? |
A. | Water-wet negatively charged sand, shale or clay |
B. | Oil wet sand, shale or clay |
C. | Doesn t alter the wettability |
D. | Alter any type of wettability of the rock |
Answer» C. Doesn t alter the wettability | |