Scientists form a hypothesis? a. by writing down everything they see in their experiment. b. by drawing conclusions from their data. c. by using their data to ask more questions. d. by designing further experiments to retest their hypothesis.

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound