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What step in the digestive process represents a chemical change in food?
Wiki User
∙ 6y ago
From the moment ingested food is exposed to saliva to acids in the stomach until it is absorbed into the blood in the stomach or intestines different food products are undergoing chemical change.
Wiki User
∙ 6y ago
Sadie Hogge
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Consider the burning of gasoline and the evaporation of gasoline which process represents a chemical change and which represents a physical change?
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas).
Which process represents a chemical change...Melting of ice OR Evaporation of water?
neither are chemical changes they are both physical changes
Is breaded toast a physical or chemical change?
Toasting bread represents a chemical change.
Is your teeth grinding food a mechanical or chemical change?
The teeth grinding is a mechanical change. The saliva mixing in with the food and starting the digestive process would be a chemical change.
Is digestion of a candy bar a physical change or chemical change?
Chemical property
Consider the burning of gasoline and the evaporation of gasoline which process represents a chemical change and which represents a physical change?
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas).
Which process represents a chemical change...Melting of ice OR Evaporation of water?
neither are chemical changes they are both physical changes
What is the chemical change of drying clothes?
Drying clothes represents a physical change, not a chemical change. The process simply converts liquid water to gaseous water, so it's only a change in state.
Is peristalsis is chemical change?
No. Peristalsis is a physical process in which the involuntary muscles of the digestive tract contract and move food along.
Is breaded toast a physical or chemical change?
Toasting bread represents a chemical change.
Is your teeth grinding food a mechanical or chemical change?
The teeth grinding is a mechanical change. The saliva mixing in with the food and starting the digestive process would be a chemical change.
Is digestion of a candy bar a physical change or chemical change?
Chemical property
Is corrosiveness a physical change or a chemical change?
Corrosion represents a CHEMICAL change.
Does the consumption of food involve chemical or physical change?
Chewing the food is a physical change, but once the food mixes with saliva it becomes a chemical change. Digesting it is definitely a chemical change, because the stomache acids mix with the food and viola a chemical change.
When an old car sits in a junk yard and rusts is it a chemical change?
Rusting of a metal, be it a car or any other item, represents an oxidation reaction, and this is a chemical change because the metal is becoming a metal oxide in the process.
Is a spoiled pear a physical or chemical change?
Spoiled food of any kind represents a CHEMICAL change.
Is sublimation of iodine represents a chemical change?
It is impossible
