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Why is the changes of color when mixed with water a physical property?
The change of color when a substance is mixed with water is a physical property because it does not alter the chemical composition of the substances involved. It is merely a change in appearance due to the interaction of light with the new mixture. This change can be reversed by separating the substances.
Are new substances formed in a physical?
No, new substances are not formed in a physical change. A physical change is a change in the form or appearance of a substance without changing its chemical composition.
Did the chemical change or a physical change cause the change in the crush can appearance?
The change in the crushed can appearance was caused by a physical change. When the can is crushed, the arrangement of its particles is altered, but no new substances are formed.
When substances are formed that are different from the starting substances has physical change occurred?
No, a physical change refers to a change in the form or appearance of a substance without any change in its chemical composition. If new substances are formed with different chemical properties, then a chemical change has occurred, not a physical change.
When atoms combine is it a physical change or a chemical change?
When atoms combine to form molecules, it is a chemical change. In a chemical change, new substances are formed with different properties from the original substances. This is in contrast to physical changes, where the state or appearance of a substance may change without forming new substances.
If a substance explodes when it reacts with water is it a chemical or physical change?
It is a chemical change because the reaction involves the breaking and forming of chemical bonds in order to create new substances. Physical changes typically involve changes in state or appearance without altering the chemical composition of the substances involved.
Why does water change the appearance of a penny?
the calcuim diposits into them
What happens to substances or materials that undergo physical and chemical changes?
That depends on which change.Physical changes may result in a change in appearance, but never a change in composition. Ripping, folding, melting, boiling, dissolving, and crumpling are examples of physical changes. After all of these, the substance is still made of the same atoms/elements.A chemical change will change both the appearance and composition of the matter. Examples of this are burning and reacting with acid. After the change, the substance both looks different and has a different makeup.
Is Salt or sugar dissolving in water a physical change?
The dissolving of salt or sugar in water is a physical change because only the appearance of the substances is altered, not their chemical composition. The salt or sugar molecules remain the same; they are simply dispersed in the water at a molecular level.
Is adding dish soap to water in a sink considered a chemical change?
No, adding dish soap to water in a sink is not considered a chemical change. It is a physical change because the substances involved do not undergo a chemical reaction to form new substances.
Is it true when a physical change that takes new substances are formed?
No, in a physical change, no new substances are formed. The change only affects the physical appearance or state of the matter, such as size, shape, or phase, but the chemical composition remains the same.
Is diluting orange squash a physical change?
Yes, diluting orange squash is a physical change. This is because the chemical composition of the orange squash remains the same before and after dilution. The change in the appearance and properties of the orange squash when mixed with water is solely a physical change, as it does not involve any chemical reactions.
