Question

ldentify the compound from the following ?​

Answer 1

Answer:

Compounds have physical and chemical properties that help us identify them. A physical property is a characteristic that can be observed or measured. In this lesson, we looked at some of the more common physical properties of compounds, including color, odor, melting point and boiling point.

Answer 2

A compound is mixture of elements and molecules ,

Iron - element

Hydrogen - element

CO 2

- compound

Air - mixture

Oxygen - element

Option (A) is correct.