Calcium carbonate open paren CaCO sub 3 close paren is a white solid with no odor. When CaCO sub 3 is heated, the resulting substances are calcium oxide CaO and carbon dioxide open paren CO sub 2 close paren CaO is a white to gray solid with no odor, and CO sub 2 is a gas with no odor and color. Which statement describes CaCO sub 3 ?
Answer
A
It is a diatomic molecule that can’t be broken down by chemical means.
B
It is a compound that can be broken down by physical means.
C
It is a diatomic molecule that can’t be broken down by physical means.
D
It is a compound that can be broken down by chemical means.