Acetate was used in the construction of microfilm. The problem today is how to destroy microfilm since it is no longer used. Many historical issues are on microfilm and must be preserved via another means.
The chemical composition remain unchanged.
i think is chemical composition its not chemical composition, it's how they were formed
The chemical composition of water remain unchanged.
A chemical change involve a change of composition.
A liquid is a compound or a mixture; the chemical composition is representative for this liquid.
The chemical composition remain unchanged.
Physical properties can be observed without changing the chemical composition of a substance. Chemical properties can only be observed by changing the chemical composition of the substance. In a physical change, the chemical composition of the substance does not change. In a chemical change, the chemical composition of the substance changes.
i think is chemical composition its not chemical composition, it's how they were formed
i think is chemical composition its not chemical composition, it's how they were formed
Yes, the composition of the rocks is as a result of the distinct chemical composition.
roll microfilm
roll microfilm
Computer output microfilm recorder
The chemical composition of water remain unchanged.
microfilm
A chemical change involve a change of composition.
A liquid is a compound or a mixture; the chemical composition is representative for this liquid.