Check sibling questions

Name the cause of change which takes place during the :

  1. Conversion of ice into water
  2. Conversion of water into hydrogen and oxygen
  3. Formation of image of a person on a photographic film
  4. Bending of iron rods to make an iron grille.

 

Answer:

a. When ice is converted into water, heat is absorbed by ice.

 

b. Water splits into hydrogen and oxygen due to an electric current being passed through the wate r .

 

c. Photographic film captures the image formed by light reflecting from the surface being photographed.

 

d. Forcing the Iron rods to make an iron grille

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo