(a) It is a physical change. Moisture or water drops present on the shirt will evaporate or change into vapours.
(b) It is a physical change. On cooling, the level of air over the radiator will fall.
(c ) It is a chemical change. The hydrocarbons present in kerosene will react chemically with oxygen to form new products.
(d) It is a chemical change. The acid present in lemon juice will react the constituents (e.g. caffeine) present in black tea.
(e) It is a physical change. However, butter will not change to milk so easily.