MCQ
Hess's law is based on :
  • A
    Law of conservation of mass.
  • Law of conservation of energy.
  • C
    Law of active mass.
  • D
    Both $(a)$ and $(b).$

Answer

Correct option: B.
Law of conservation of energy.
Hess's law is based on law of conservation of energy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free