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Is ripening fruit a physical or chemical change?
Ripening fruit is a chemical change because it involves the breakdown of complex molecules in the fruit resulting in changes in color, texture, and flavor. This process is driven by enzymes and chemical reactions within the fruit.
Is breakdown of matter by electricity chemical or physical change?
chemical change
What two examples is the physical change and chemical change of milk?
An example of a physical change in milk is when you freeze it, changing its state from liquid to solid without altering its chemical composition. A chemical change in milk occurs when it sours, involving the breakdown of lactose by bacteria to form lactic acid, altering its chemical composition.
Is food reacting with pepsin a chemical or mechanical change?
This is a chemical change. Pepsin catalyzes the chemical breakdown of food.
Is a rotten wood a physical change or chemical change?
Rottening of wood is a chemical (breakdown) reaction
A type of reaction involving a chemical change?
Rusting
Saliva pre-digestion through ezymes in saliva is chemical change?
The first chemical change that happens in the body in regards to digestion, the breakdown of foodstuffs, occurs in the stomach. The saliva breakdown would be a physical change.
Chemical change involving burning?
Burning is an oxidation reaction.
Is a potential sign of chemical change a release in gas?
No. If a gas is dissolved under pressure, in a liquid then reducing the pressure will result in the release of a gas. This is what happens when you open a bottle or can of a carbonated soft drink.
Is a rotting bread a chemical change?
Yes, the rotting of bread is considered a chemical change because it involves the breakdown of the bread's molecules into simpler compounds through chemical reactions. This transformation is irreversible and results in the formation of new substances.
Is color changing in leaves a chemical change or a physical change?
Color changing in leaves is a chemical change. It involves the breakdown of chlorophyll and the production of other pigments due to chemical processes triggered by factors like temperature and daylight changes. This results in the visible color change in the leaves.
What is the physical change in food when it enters the esophagus?
the physical change in the change in food when the enters esophagus is when it has a chemical breakdown in your mouth with a mechanical breakdown the chemical breakdown is when your salivia is making the food moist the mechanical is when you chew the food so it easier for it to enter the esophagus and so the salivia can get it moist then your esophagus uses muscles to push the food down into your stomache
