33. In which case does a chemical change occur? A. cooking rice B. evaporating alcohol C. melting crayon D. wetting a towel


34. When this is added to a substance the molecules and atoms vibrate faster causing the material to bum. D. mass A. force B. heat C. inertia


35. What will happen when a little amount of water eventually disappears? A. condenses B. evaporates C. freezes D. melts​