Question

which of the following are chemical or physical changes? ​

Answer 1

Answer:

Melting of butter in a pan c. Rusting of almirah d. Boiling of water to form steam e. Passing of electric current, through water and the water breaking down into hydrogen and oxygen gases

Explanation:

Answer 2

Answer:

chemical change - burning of paper, heating of iron oxide etc

physical change - melting of ice, mixing of two solid chemical