When a sheet of paper is folded to make a paper boat, it undergoes Change 1. When that paper boat is burned,…

When a sheet of paper is folded to make a paper boat, it undergoes Change 1. When that paper boat is burned, it undergoes Change 2. Identify Change 1 and Change 2.
  1. Change 1: Chemical, Change 2: Physical
  2. Change 1: Physical, Change 2: Chemical
  3. Both are Chemical changes
  4. Both are Physical changes

Solution

Folding paper changes shape/form (physical change), while burning produces ash and smoke forming new chemical substances (chemical change).

Asked in: Homi Bhabha Practice

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