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Is a pellet of sodium is sliced in two a physical change or a chemical change?
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).
What are two kind of changes in matter?
Two types of changes in matter are physical changes and chemical changes. Physical changes involve a change in appearance, such as a change in shape or state, without forming new substances. Chemical changes involve a rearrangement of atoms to form new substances with different chemical properties.
Is wood being slit in two pieces phyiscal change or chemical change?
It's physical
What type of change is a board being cut into two pieces?
physical
What are the two criteria for whether a change is chemical or physical?
Oxygen and hydrogen
What two things are unaffected in a physical change?
In a physical change, the chemical composition of the substance remains the same, meaning the elements or molecules present do not change. Additionally, the mass of the substance is also unaffected, as no matter is either created or destroyed during a physical change.
What two things are unaffected in physical change?
The chemical composition is not changed.
Is colorless a physical change or a chemical change?
Colorless is a physical property. Determining change requires you to compare two things.
Is dissolving sugar a physical reaction?
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
A pellet of sodium is sliced into two. Physical or chemical change?
It's a physical change
When you add baking soda to a salt and vinegar solution is it a chemical change or physical change?
Is the Test tube sealed airtight or open air? Dissolving is a physical change.
Is a change of liquid to liquid a chemical change or physical change?
A change from one liquid to another is typically considered a physical change rather than a chemical change. This is because the chemical composition of the substances involved remains the same during the transition.
Is a change a physical or chemical change?
There are two kinds of changes - physical and chemical. It depends on how the change is made.
When a piece of paper is torn into two pieces has it undergone a chemical change or physical change?
It encountered a physical change.
What is an exaple of physical change?
A type of change in which the form of matter is changed to another form is called a physical change. Thus the chemical change does not occur, but only a physical change occurs in it. Example: When ice melts into water When water is boiled, and it changes into water vapor.
What are the two physical properties that change with temperature?
Density and specific internal energy are two physical properties that change with temperaturea change in temperature.
When a piece of paper is torn into two pieces has it undergone a chemical change or a physical change?
ANSWER:Its a physical change. If you burned it and it became ash, its a chemical change. Physical change means it made no change on a molecular level. Its still paper, just in two separate pieces.It is a physical change, as the chemical property of the paper remains unchanged.
