Classify the changes involved in the following processes as physical or chemical changes: Photosynthesis Dissolving sugar in water Burning of coal Melting of wax

cbse
cbse-class-7-science
chemical-changes
physcial-and

#1
  1. Classify the changes involved in the following processes as physical or chemical changes:
  2. Photosynthesis
  3. Dissolving sugar in water
  4. Burning of coal
  5. Melting of wax

Answer:

  1. Chemical change
  2. Physical change
  3. Chemical change
  4. Physical change