Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Join our platform to connect with experts ready to provide detailed answers to your questions in various areas. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

27. Three kinds of observations that may
indicate a chemical change are listed below.
However, a physical change may also result
in each observation. Describe a possible
chemical cause and a possible physical
cause for each observation:
a. change in color
b. change in temperature
c. formation of a gas