Answer:
Sort the lab chemicals in alphabetical order for quick access.
Become familiar with the chemicals to be used, including exposure or spill hazards.
Locate the spill kits and understand how they are used.
Explanation:
There are many chemicals in a laboratory hence they should be sorted out and arranged in alphabetical order so that theory can easily be identified and located whenever they are required.
The properties of each chemical should be known especially hazards connected to exposure or spill of the chemicals.
The students should also familiarize themselves with the contents of spill kits and how they are used.
Answer:
C
Explanation:
It is C because the change is inversible, that means that it is a chemical change.
2HNO3 + Ca(OH)2 —> Ca(NO3)2 + 2H2O
I believe you can simply add more cells in series to get a higher voltage. Not 100% sure on that.
