1. State whether each of the following is an example of a physical or chemical property of matter: (a) Carbon dioxide escapes when a soda can is opened. (b) A bronze statue turns green. (c) A silver...

1. State whether each of the following is an example of a physical or chemical property of matter: (a) Carbon dioxide escapes when a soda can is opened. (b) A bronze statue turns green. (c) A silver spoon tarnishes.

2. Oxygen,
 is certainly good for you. Does it follow that if small amounts of oxygen are good for you, then large amounts of oxygen would be especially good for you?