Consider the following statements: Equivalent weight of the compound is the weight of it that combines with or displaces directly1. 1.008 part by weight of hydrogen.2. 16 parts by weight of nitrogen.3. 35.45 part by weight of chlorine. Which of the statements given above are correct?

Any substance which has a clear and specific chemical composition and structure is known as a chemical. Chemicals exist in a range of states i.e. they can be either solid or liquid. They can change their state influenced by certain factors like pressure, temperature etc.