Conversation so far:
which group of carbohydrates reacts most readily to the seliwanoff’s test
Fructose and sucrose are two common sugars which give a positive test.
what is the procedure for seliwanoff's test
Add 5 ml of Seliwanoff’s reagent in a testable. Pour 1 ml of the test material into the tube. Heat the solution. Observe the color changes in the test tube.

Question: what are the test precautions
Self-contained rewrite: what are the test precautions for seliwanoff's test