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प्रश्न
State whether the following is physical or chemical changes.
respiration in living beings —
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उत्तर
chemical change,
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संबंधित प्रश्न
Write short answer.
Name two reversible changes.
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
State whether the following is physical or chemical changes.
heating a mixture of iron filings and sulphur—
True or false
Is the process of digestion a physical change?
Fill in the blank
Changes that occur in nature are called ______
Fill in the blank
Heat is ________ by a gas during the process of condensation.
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Classify the following changes as physical or chemical.
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
Assertion: The explosion of fire cracker is a physical change.
Reason: A physical change is a reversible change.
