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प्रश्न
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
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उत्तर
Preparation of carbon dioxide from calcium carbonate and dilute hydrochloric acid is a CHEMICAL change as new K substance with new properties is formed, the change is permanent and irreversible.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
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Classify the Following as a Physical Or a Chemical Change.
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(a) Melting
(b) Vaporisation
(c) Condensation
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pertain to –
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- Conversion of a liquid into a solid.
- Conversion of a solid into a liquid on heating.
Name the following.
The product of the chemical change in keeping a polished iron nail exposed to the atmosphere.
