A Pasteur flask has a(n)
A. swan neck to prevent particulate matter from getting into the main body of the flask.
B. double neck so two substances may be added at the same time.
C. secondary opening at the base to allow for drainage.
D. inverted upper edge to prevent spillage while swirling.
Answer:A
A Pasteur flask has a(n)
A. swan neck to prevent particulate matter from getting into the main body of the flask. B. double neck so two substances may be added at the same time. C. secondary opening at the base to allow for drainage. D. inverted upper edge to prevent spillage while swirling.