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प्रश्न
Classify the following as a physical or a chemical change.
Burning of coal
उत्तर
Chemical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Passing of electric current through water, and water breaking down into hydrogen and oxygen gases.
Classify the following changes as physical or chemical:- melting of a solid (wax)
Classify the following changes as physical or chemical:-boiling
Write true or false
Melting of ice is a physical change.
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
Classify the Following as a Physical Or a Chemical Change.
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State when a substance [i.e. matter] undergoes a kind of change.
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