0
What else can I help you with?
When a chocolate bar melts in the sun a physical or chemical change?
When a chocolate bar melts in the sun, it is a physical change. This is because the chocolate undergoes a phase change from a solid to a liquid without changing its chemical composition.
Is burning of coal a physical change?
Burning of coal is a chemical change, not a physical change. During the burning process, the chemical composition of coal changes as it reacts with oxygen to produce heat, light, and ash.
Is burning food a physical change?
Yes, burning food is a physical change because it involves a change in the physical state of the food due to the application of heat. The chemical composition of the food may change, but it remains the same substance in a different form.
Which of them is a reversible change coffee dissolving Water boinling Chocolate melting wood burning?
Coffee dissolving, water boiling and chocolate melting are reversible physical transformations whereas wood burning is a chemical combustive transformation.
Can physical and chemical change happen to the same object at the same time?
yes,sometimes both changes occur together. For example, when a person eats chocolate and then digests it a physical and a chemical change takes place. When the person chews the chocolate and breaks it into smaller pieces - it is a physical change. No new substances have been formed yet.Once acted upon by saliva and other digestive juices, the chocolate is broken down into other simpler substances, which can be absorbed by the blood. This is a chemical change.
Is burning a fire a physical or chemical change?
Burning is a chemical change.
Is chocolate syrup a thick liquid a chemical change?
Chocolate syrup being a thick liquid is a physical change, as the state of matter is altered but the chemical composition remains the same. If the chocolate syrup were to change in composition, for example by caramelizing or burning, it would be considered a chemical change.
Is burning chemical change or physical change?
Burning is a chemical change.
Is burning fire physical or chemical change?
Burning is a chemical change.
Is burning wax a physical or chemical change?
Burning wax is a chemical change. If you are burning something, it will always be a chemical change.
Is Burning of sulphur a physical change or chemical change?
Burning sulfur, or burning anything, is a chemical change.
Is burning sulphur a chemical or a physical change?
Burning sulfur, or burning anything, is a chemical change.
Is a burning a marshmallow a physical or chemical change?
chemicalBurning a marshmallow is a chemical change.
Is burning sulfur a physical or chemical change?
It is a chemical change, an oxidation reaction.
Is burning a diamond a physical change?
Burning is always a chemical change. Melting is a physical change.
Is a tree burning a chemical or physical change?
Combustion is a chemical change, so the burning of a tree will be a chemical change.
Is burning of a paper a physical or chemical change?
Cheimical change
