Question

b) Melting of wax is a __________change whereas burning of a candle is a ___________

Change. (physical, chemical)

c) Certain chemical changes like ___________ takes place in the presence of light. (digestion,

photosynthesis)

d) Dissolution of glucose in water is an _____________ process. (exothermic, endothermic)​

Answer 1

Answer:

b) physical, chemical

c)photosynthesis

d)endothermic

Answer 2

Explanation:

1. physical., chemical
2. photosynthesis
3. endothermic