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प्रश्न
Write true or false
Melting of ice is a physical change.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Classify the following changes as physical or chemical:-boiling
The rusting of an iron object is called :
Classify the Following as a Physical Or a Chemical Change.
Making of a Sugar Solution
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Differentiate between a physical change and a chemical change with reference to – Energy change taking place during the respective change.
Ammonium chloride is also a sublimable solid. Give a reason why the sublimation of ammonium chloride involves a physical and a chemical change.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Select the chemical changes from the following list of changes
The carbon cycle.
The change of state of a substance from solid to liquid and liquid to gas is ______.
