Symbol of Cobalt is Co. But CO represents

Explanation:

The chemical symbol for cobalt is "Co," with both letters capitalized. In contrast, "CO" (with a capital 'C' and a capital 'O') represents carbon monoxide, a colorless, odorless, and toxic gas composed of one carbon atom and one oxygen atom.

Given the options:

a) Symbol of Copper

b) Symbol of Cadmium

c) Symbol of Carbon monoxide

d) None of these

The correct answer is: c) Symbol of Carbon monoxide.

It's important to note that chemical symbols are case-sensitive. For instance, "Co" denotes cobalt, while "CO" signifies carbon monoxide. Similarly, "Cu" is the symbol for copper, and "Cd" represents cadmium. Understanding these distinctions is crucial in chemistry to avoid confusion between elements and compounds.