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प्रश्न
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
पर्याय
physical
chemical
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उत्तर
A change in which matter undergoes a change but the total mass of the substance is unaltered is a physical change.
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संबंधित प्रश्न
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Fill in the blank.
A new substance is formed in a ............... change.
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Classify the following as a physical or a chemical change.
Boiling of water
Compare the energy changes involved during a physical and a chemical change.
Select the chemical changes from the following list of changes
Boiling of milk.
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Higher order Thinking question
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
Cutting a log of wood into pieces is a chemical change.
Mention some of the different conditions needed for chemical changes to occur.
