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प्रश्न
Which of the following is a physical change?
विकल्प
Rusting of iron
Combustion of magnesium ribbon
Burning of candle
Melting of wax
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उत्तर
Melting of wax
Explanation:
Melting of wax is a physical change. All other changes are chemical changes.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Dissolving common salt in water.
Explain the following giving an example.
Pure substance
Melting of solid (wax) is a physical change.
Write short answer.
What are man-made changes ?
A burning candle shows both physical and chemical changes. Explain ?
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Write true or false
Cutting of paper into pieces is a chemical change.
Select the chemical changes from the following list of changes
Rotting of eggs.
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
