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प्रश्न
Classify the following as a physical or a chemical change.
Burning of coal
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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.
State whether the following is physical or chemical changes.
cutting wood into small pieces —
Write true or false
Rusting of iron is a chemical change.
Write true or false
Deforestation is a man-made change.
Classify the following as a physical or a chemical change.
Drying of wet clothes
Give four difference between physical and chemical changes.
Distinguish between the following.
Physical change and chemical change
What will you take into account while identifying the following?
A physical change in a substance.
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
______ is the substance that is dissolved in a solvent.
