Check sibling questions

Melting of Wax

  • Melting of wax in a pan is a reversible change.
  • When wax (solid form) is heated in a pan.
  • It becomes liquid wax (liquid form).
  • When this liquid wax cools down .
  • It changes into wax again.


Burning of wax

  • The burning of a candle is an irreversible change.
  • When a candle is burnt.
  • Its size changes i.e it becomes small in size.
  • When a candle burns it produces Carbon Dioxide,water and Soot.
  • These products cannot be turned back into a candle again.
  • Thus,this process is an Irreversible process.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo