By giving a reason state why chemical change takes place in the following case: Heating of ammonium chloride in a test tube.
NH4Cl(s)→∆NH3(g)+HCl(g)
By giving a reason state why chemical change takes place in the following case:
Heating of zinc oxide in a hard glass test tube
Bursting of crackers
By giving a reason state why chemical change takes place in the following case: Baking of cake.
By giving a reason state why chemical change takes place in the following case: Digestion of food.
Ripening of fruit.