Lab: Physical and Chemical Changes Answers

Did you read the Student Guide carefully?

The second test is for solubility. If the substance is soluble in water, then it is likely

The third test you read about uses the apparatus shown above to test for conductivity of electricity. If the bulb lights up, then the substance dissolved in the water is likely

The first test you just read about is for appearance. If the substance is a crystalline solid, as shown at right, then the substance is likely