Question

iron oxide (rust) does not contain carbon. iron oxide is a(n) ____ compound.
options: inorganic, extensive, organic, intensive

1. choose the best answer.

a(n) ____ property depends on the amount of the matter that is present in the sample.
options: extensive, intensive, heterogeneous, homogenous

Explanation:

1. Organic compounds contain carbon - hydrogen bonds. Since iron oxide has no carbon, it is inorganic.
2. Extensive properties like mass and volume depend on the amount of matter in a sample.

Answer:

1. A. inorganic
2. A. extensive