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प्रश्न
True or false
Is the process of digestion a physical change?
पर्याय
True
False
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उत्तर
false
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Burning of paper and wood
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Write short answer.
What are man-made changes ?
True or false
Dissolving of a solid in liquid is a physical change.
Classify the following changes as physical or chemical.
The rusting of an iron object is called :
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Select the chemical changes from the following list of changes
Boiling of milk.
Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and then small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and Step II are:
