Question

Answer the question ​

Answer 1

Answer:

1) in evaporation,,the water from big seas,lakes is evaporated by heat of sun,,it is different from boiling , because we mainly use boiling water to purify the water,,

2) in first picture,we have been shown that the iron is being rusted,because of the contamination of water and air,, IN SECOND PICTURE we have been shown that,,a butter is melted,because of the heat of gas stove.IF WE TALK ABOUT WHICH CHANGE SO,FIRST PICTURE HAS A PHYSICAL CHANGE AND SECOND HAS CHEMICAL CHANGE.

Answer 2

Answer:

Evaporation occurs at any temperature but boiling occurs at a fixed temperature. Evaporation is a surface phenomenon where boiling is a bulk phenimenon

Explanation:

Rusting is a chemical rxn

Secind figure is not clear to me.