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Is the detonation of fireworks a physical or chemical change?
The actual detonation (a rapid oxidation reaction) is an example of a chemical change.The resulting blast of expanding gas, sound, and light; and the shredding of the casings are physical changes.
How can a soda be a physical change?
A soda can undergo physical changes such as temperature changes causing condensation on the can, or changes in pressure leading to fizziness. These changes do not alter the chemical composition of the soda itself, making them physical changes.
What are the chemical and physical changes of photosynthesis?
There are no physical changes. there are only chemical changes.
Can a chemical changes be reversed by physical changes?
Technically no..... however; the application of "extreme" physical forces can cause chemical change such as applying exiremely high pressure to coal to cause the formation of diamond.
Changes in properties of matter are called?
physical or chemical changes
Is oxygen a chemical change or a physical?
Oxygen is a chemical element, so its presence does not involve a chemical change. It undergoes physical changes such as changes in state (gas to liquid) based on temperature and pressure.
Are state changes chemical or physical changes?
Physical Changes
Are all physical changes accompanied by chemical changes?
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
Is reacting a physical change or chemical change?
Reacting can involve both physical changes and chemical changes. Physical changes involve alterations in the physical state of a substance without changing its chemical composition, while chemical changes involve the formation of new substances with different chemical compositions.
Is change in size a physical change?
Yes, a change in size is a physical change, as it does not alter the chemical makeup of the substance. Physical changes involve a transformation in the appearance or state of a material without changing its chemical composition.
Chemical changes can be reserved by physical change?
No, chemical changes cannot be reversed by physical changes. Chemical changes involve the formation of new substances with different properties, while physical changes only affect the state or appearance of a substance without changing its chemical composition. Once a chemical change occurs, it cannot be undone by a physical change.
Differences between physical changes and chemical changes?
Physical changes are changes that affect the form of a chemical substance, such as changes in state or shape, without changing its chemical composition. Chemical changes, on the other hand, result in the formation of new substances with different chemical properties. Physical changes are usually reversible, while chemical changes are often irreversible.
