Question

गिव द डेफिनेशन ऑफ फिजिकल चेंज एंड केमिकल चेंज in English only​

Answer 1

Explanation: PHYSICAL CHANGES ARE THE CHANGES WHICH CAN BE REVERSED OR THERE IS NO CHANGE IN THE CHEMICAL COMPOSITION OF THE OBJECT. EXAMPLE. TEARING OF PAPER, MELTING OF WAX, CUTTING WOOD,WATER INTO ICE, WATER INTO WATER VAPOR . CHEMICAL CHANGE CHEMICAL CHANGE ARE THOSE IN WHICH THE CHEMICAL COMPOSITION OF AN OBJECT CHANGES AND CANNOT BE REVERSED. EXAMPLE. BURNING OF MATCHSTICK,BURNING OF FUEL ETC.