What are the different types of chemical change?

What are the two types of evidence of chemical change?

• Answer:

  Cooling and warming the solutions are physical change. When your hand or your body after washing gets dry it's a ohysical change. When you stir your coffee or your tea it's a physical change. But when you cook your food or when the petrol of cars burn it's a chemical change. Because the compositions of the molecules changes. The most complex chemical change happens in our body everyday.And the enzymes are involved there. The photosynthesis of plants are another examples of chemical changes. When you wash your hand by detergents, they acts by fats and pollutions then your wash will be cleaned and it's another example of chemical changes. Cooling and warming the solutions are physical change. When your hand or your body after washing gets dry it's a ohysical change. When you stir your coffee or your tea it's a physical change. But when you cook your food or when the petrol of cars burn it's a chemical change. Because the compositions of the molecules changes. The most complex chemical change happens in our body everyday.And the enzymes are involved there. The photosynthesis of plants are another examples of chemical changes. When you wash your hand by detergents, they acts by fats and pollutions then your wash will be cleaned and it's another example of chemical changes.