a) it is a solid b) it is shiny c) it is silver d) it can be tarnish
d) it can be tarnish
The others are physical properties.
A physical property is a property that can be observed or measured without changing it, such as being solid, shiny, silver, etc. A chemical property is one that can only be observed by changing the chemical identity of a substance, such as when it tarnishes, buns, corrodes, etc.