Question

What does a heating curve show?

• A. What happens to a substance as heat is applied
• B. The reactants in a chemical equation
• C. The products in a chemical equation
• D. The speed of a chemical equation
• E. What happens to a reaction when heat is applied

Answer 1

The correct option is A What happens to a substance as heat is applied

The option (A) is the correct answer. Heating curve shows what happens to a substance when heat is applied to it. When a system is heated, the changes in system temperature and the phase transition temperatures are given by the heating curve.