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प्रश्न
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
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उत्तर
Wax [CxHy]
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
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An earthquake is a .................. change.
Write true or false for the statement
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Write short answer.
Sublimation is classified as a physical change. Why ?
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Give two examples of periodic changes.
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Select the chemical changes from the following list of changes
Respiration in mammals.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
