GKFix MCQ Question

What is the difference between ∆fH⁰ and ∆cH⁰?

• A. They are the same
• B. ∆fH⁰ is always positive
• C. ∆fH⁰ is for formation from elements, ∆cH⁰ is for combustion with oxygen
• D. ∆cH⁰ is for atomization