Question

Write whether it is a Temporary change and permanent change ¤Rusted nails ¤Melting of butter ¤Burning of firewood ¤Melting of candle wax

Answer 1

temporary changes are long remain for certain time period
whereas permanent change dose not change its chemical or its physical quality once it changed

Answer 2

permanent change, meeting of butter, burning of firewood, meeting of wax . temporary change are rusted nails, melting of butter. thanks .