Question

you are given some ice cubes in a bowl and heat it for some time during the period you obsereve taht even though you have provided heat still the ice cubes does'nt melt for sometimes give resons

Answer 1

Because solid particles are tightly bonded when heat is provided particles have no intercellular space so force exerted by particle to heat .

when heat is more provide the particles start separting each other it get change into the liquid .