The soul of chemistry is dealing with___________?”
A. Internal structural changes in matter
B. Composition of matter
C. Properties of matter
D. Composition and properties of matter
2: On heating a liquid at its dynamic equilibrium the concentration of molecules in vapour state as well as in liquid state___________?
- Increase
- Decreases
- Remains constant
- Neither increase nor decreases
all mcqs are informative and very helpful for exams