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The two types are chemical and physical changes.
Physical, because each slice of pellet is still the same chemically: you have merely divided your one sodium block into two blocks of sodium. If it were chemical, some kind of notable chemical difference would have occurred (you would no longer have sodium, but something else).
Glue is not any type of change. However, two items being glued together is a physical change.
Temperature and amount of the substance do not change chemical properties.
Chemical Change and Physical Change
The chemical composition is not changed.
The chemical composition is not changed.
Colorless is a physical property. Determining change requires you to compare two things.
If a solid appears after mixing two liquids, it is a chemical change.
no, technically there is no such thing as a physical reaction. It is, however, a physical change. when two things react, it is chemical so you cannot have a "Physical" reaction in chemistry
It's a physical change
Is the Test tube sealed airtight or open air? Dissolving is a physical change.
The two types are chemical and physical changes.
Density and specific internal energy are two physical properties that change with temperaturea change in temperature.
There are two kinds of changes - physical and chemical. It depends on how the change is made.
It encountered a physical change.
Physical change - make it frozen ; Chemical change - make it spoiled