Answer to Question #134717 in General Chemistry for A

Question

Hi,

SAFETY: If the stopcock becomes difficult to turn, which of the following statements describe a safe approach to loosening it? More than one answer may be correct.Thanks
A)If using a Teflon stopcock, loosen the locking nut slightly.
B)Use extra force to turn the tap.
C)If using a glass stopcock, stop the experiment, empty the buret and re-grease the tap.

Answer 1

sorry a) and c)