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प्रश्न
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
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उत्तर
Sublimation of iodine is an example of physical change.
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संबंधित प्रश्न
Explain the following giving an example.
Pure substance
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Write true or false
Melting of ice is a physical change.
Tick (√) the correct alternative from the choice given for the following statement.
The compound rust is a hydrated oxide of
Write true or false
A natural change can also be a desirable change.
Make a list of different types of changes with example.
State whether the following statement is true or false. If false write the correct statement.
Melting of ice is an exothermic, irreversible chemical change.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
When solute is dissolved in a solvent it forms a solution.
