(AKS 4d) When given 5 g of a mysterious white powder to identify, two students discuss how to plan an experiment to determine the identity of
the unknown powder. They know it is one of the six substances. Which of
the following is a logical first step in an experiment that could be used to
determine the identity of the mystery powder? (DOK 2)
Pick one physical property and test it on the mysterious powder first
before doing anymore planning.
Use the 5 g of white powder to determine if it is flammable or not
before doing anymore planning.
Determine physical and chemical tests for the six known substances
and then compare the mystery powder's properties to these.