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प्रश्न
Select the chemical changes from the following list of changes
Respiration in mammals.
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उत्तर
Respiration in mammals is a CHEMICAL change, we breathe in oxygen and breathe out carbon dioxide. It is irreversible and composition changes.
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संबंधित प्रश्न
Explain the following giving an example.
Pure substance
Is burning a physical change or a chemical change? Why?
Fill in the blank
Revolution of the earth around the sun is a ________ change.
State whether the following is physical or chemical changes.
respiration in living beings —
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
What are man-made changes ?
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
Select the chemical changes from the following list of changes
Change of seasons
Keeping a stone in sunlight for few hours is ______.
