Question

multiple - choice question
glassware and chemical substances can be heated......(select all that apply)
directly over a bunsen burner flame
in a water bath
using a ring stand support

Explanation:

Glassware and chemical substances can be heated directly over a Bunsen - burner flame (for some heat - resistant glassware and appropriate substances), in a water bath for more gentle and even heating, and using a ring stand support which is often part of the setup for heating.

Answer:

A. Directly over a Bunsen burner flame
B. In a water bath
C. Using a ring stand support