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When a substance changes into a diffrent substance what change has occurred?
chemical change
Is hydrogen burning a physical or chemical change?
The burning of hydrogen is a chemical change because it involves the rearrangement of the atoms in the hydrogen molecule to form water. This process also releases energy in the form of heat and light.
Is making wrapping for a present a chemical change?
No, making wrapping for a present is a physical change, not a chemical change. The wrapping material undergoes a change in shape and form but its chemical composition remains the same.
Is heating KClO3 and MnO2 a chemical or physical change?
Heating KClO3 and MnO2 to form KCl and MnO2 is a chemical change as new substances are being produced.
Is rusting a a screw is a physical or chemical change?
Rusting of a screw is a chemical change. It involves a chemical reaction between the iron in the screw and oxygen in the air to form iron oxide (rust).
When elements combine to form compounds is this a physical or chemical change?
This is a chemical change.
A change in which one or more substances combine or break apart to form new substances?
chemical change
A change of matter from one form to another without a change in chemical properties.?
A change of matter from one form to another without a change in chemical properties is a physical change.
What change is The rusting of iron form?
Chemical change
Is Oxygen and hydrogen combining to form water physical or chemical change?
This is a chemical change.
Is it a chemical reaction when a substance changes its form?
The change of form in not a chemical process; it is only a physical change, the molecules remain unchanged.
Is food a chemical change?
food is a chemical change if it is added with other components and turned into a form and if it is taken raw then it is not chemical change because no change is occuring
Why is a state change not a chemical change?
You're only changing the form of the substance, not the chemical compounds in it.
What is a change that alters the form or appearance of a substance but does not make it into other substance?
It is considered a physical change. A chemical change involves chemical reactions that change the substance into another substance. A physical change typically only modifies the form or phase.
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.
Achange in matter from one form to another without a change in its chemical properties is called a?
A change of matter from one form to another without a change in chemical properties is a physical change.
When a substance changes into a diffrent substance what change has occurred?
chemical change
