Available Answers

1. 1.

   Interconversion of matter - is a physical change. Give reasons.
2. 2.

   'Melting' of ice & 'solidification' of water - are physical changes. Give reasons for the same with reference to 'Nature of Change'
3. 3.

   'Melting' of ice & 'solidification' of water - are physical changes. Give reasons for the same with reference to 'Formation of products'
4. 4.

   'Melting' of ice & 'solidification' of water - are physical changes. Give reasons for the same with reference to 'Change in chemical composition'.
5. 5.

   Sublimation of Iodine - is considered a physical change. Give reasons.
6. 6.

   Sublimation of ammonium chloride - involves a physical and chemical change. Give reasons.