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प्रश्न
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
उत्तर
When a candle burns, wax melts. Melting of wax is a physical change.
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संबंधित प्रश्न
Try segregating the things around you as pure substances or mixtures.
Classify the following changes as physical or chemical:-boiling
Define physical change. Give two examples for the above changes.
Classify the following as physical or chemical change :
Formation of curd from milk
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Classify the Following as a Physical Or a Chemical Change.
Formation of Clouds
Define a chemical change. Give two examples of the above changes.
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Give a reason why – Rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
