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प्रश्न
State whether the following is physical or chemical changes.
glowing of a bulb -
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उत्तर
physical change,
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संबंधित प्रश्न
Write true or false for the statement
A natural change can also be a desirable change
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
Write true or false
Melting of ice is a physical change.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
What will you take into account while identifying the following?
A chemical change in a substance.
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Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
Wood to sawdust:______:: Wood to Ash: Chemical change
What type of energy changes is associated when ice melts?
