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प्रश्न
Classify the following as a physical or a chemical change.
Burning of coal
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उत्तर
Chemical change
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संबंधित प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example of a familiar process in which both the chemical and physical changes take place.
Is burning a physical change or a chemical change? Why?
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
Give the main differences between physical changes and chemical changes.
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
In a solution of salt in water, water is the solute
Distinguish physical and chemical changes.
