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Is it true that Physical changes are often accompanied by changes in color or odor.?
No. It is false. Physical changes are not accompanied by changes in color or odor.
Is it true a physical change only changes the size?
no
Is it true are false that a physical change of a substance changes its chemical makeup?
true
Are all physical changes accompanied by chemical changes?
Not all chemical changes are accompanied by a visible physical change. Most chemical changes however will be accompanied by a physical change.
Are all physical changes accompanied by a chemical change?
A physical change is a change in chemical composition. A physical change is a change where chemical composition is not altered. Not all chemical changes are accompanied by a physical change, but some are. The same is true for the reverse.
True or false a physical change occurs when matter changes state as form a liqued to a gas?
True. A physical change occurs when matter changes state without altering its chemical composition. In this case, the change from a liquid to a gas involves only changes in physical properties such as volume, shape, and density.
Are all physical changes are reversible changes?
Not all physical changes are reversible. Some physical changes, such as breaking a glass or cutting a piece of paper, are irreversible because they result in a permanent change to the material's structure. Reversible changes, like melting ice or boiling water, are changes that can be easily reversed by altering the conditions.
How are physical changes alike?
all physical changes are alike in which all of them changing without changing in chemical makeup of the matter we have
What undergoes physical change?
All substances have physical changes.
Are reversible changes and physical changes the same?
Reversible changes and physical changes are not exactly the same. Reversible changes can be undone and the original substance can be recovered, while physical changes alter the appearance or state of a substance without changing its chemical composition. Physical changes are usually reversible, but not all reversible changes are physical changes.
Is melting ice a physical change or chemical change?
Physical; all phase changes are physical changes because the composition does not change.
Is puberty is a period of growtn and changes within individual true or false?
Yes, it is true. Many important physical and emotional changes take place during this period.
