Question

Adding sodium to chlorine gas will produce table salt. The formation of a new substance shows that __________ change occurred. A. a physical B. a chemical C. both a physical and chemical D. neither a physical nor a chemical

Answer 1

Adding sodium to chlorine gas will produce table salt.The formation of a new substance shows that both a physical and chemical 
So the answer would be C

Hope this helped :)

Answer 2

 C. both a physical and chemical