By giving a reason state why chemical change takes place in the following case:
When grapes are fermented to make wines
By giving a reason state why chemical change takes place in the following case: Burning of wood.
By giving a reason state why chemical change takes place in the following case: Rusting of iron
By giving a reason state why chemical change takes place in the following case: Digestion of food.
By giving a reason state why chemical change takes place in the following case: Heating of ammonium chloride in a test tube.
By giving a reason, state why chemical change takes place in the following case: Heating of Zinc Oxide in a hard glass test tube.