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What else can I help you with?
When elements combine to form compounds is this a physical or chemical change?
This is a chemical change.
If a pencil nib breaks is it a chemical or physical change?
It is a physical change. There are no changes made to the compounds in a pencil by breaking it.
Can new compounds form during a physical change?
no because in a physical change it does not change the chemical make up, however, it does during a chemical change
Is microwave oven make physical change?
Yes; for example evaporation of water or other volatile compounds is physical change.
What is a true statement about a chemical change?
They can be reversed by physical changes...
Is butter a chemical changes or physical change?
Butter is a food, a mixture of compounds - not a change.
Is ability to burn a physical or chemical?
burning of compounds is a chemical change.
Is decompostion of water a physical change?
Yes, it is a chemical change; new compounds (elements) are formed !
Is flour a chemical or a physical change?
Flour is not a change of any sort. It is a mixture of organic compounds.
Is BaCl2 and Epsom salt a physical or chemical change?
Mixing BaCl2 and Epsom salt would be considered a physical change. This is because no new substances are formed during the process, only a physical mixing of the two compounds occurs.
When the leaf color changes in autum is it a physical change or chemical change?
It is a chemical change, a degradation of the compounds from the leaf.
Is toasting of bread a physical or chemical change?
Physical ------------------- It is a chemical change because some compounds from bread are thermally decomposed. The reaction is not reversible.
