<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
How do you make chlorine gas?
<|assistant|>
Chlorine gas can be made by the following reaction:

3Sr + 2Cl2 + 2SrCO3 → 3Cl2 + 2Sr(CO3)2

This reaction can be performed by heating Searlite (SrCO3) with anhydrous calcium chloride (CaCl2) in an autoclave.