How can you observe that digestion of food is chemical changes ? write two examples of chemical change .
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Answer:
The Zeeman effect, named after Dutch physicist Pieter Zeeman, is the effect of splitting of a spectral line into several components in the presence of a static magnetic field. It is analogous to the Stark effect, the splitting of a spectral line into several components in the presence of an electric field.
Enzymes and digestive juices in the stomach work to chemically break down proteins into amino acids. This is a chemical change. Small intestine: By the time food has reached the small intestine, its size has been reduced considerably
Mechanical digestion occurs in the mouth, stomach, and small intestine. Food is chemically changed in digestion when new, smaller substances are formed. These chemical changes are examples of chemical digestion. ... Large molecules of food are broken down into smaller molecules that can be absorbed by our cells.