Question

burning of license stick is on change

Answer 1

For stick incense, break off the glowing tip and discard it in water or just dip the tip in water. If you use a censer, turn the stick upside down and bury the burning end in the sand or ash. The incense stick can then be relit in the future. For coil incense, you can break off the glowing tip and discard it in water.

Answer 2

Answer:

Here the incense stick is in solid phase,when it is burnt it directly turns into gaseous form jumping the liquid phase i.e solid to gaseous state so due chemical process between the flame i.e oxygen and the chemical which is in the incense stick the phase of the stick is changed