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प्रश्न
Which of the following is a physical change?
पर्याय
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
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
Melting of solid (wax) is a physical change.
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Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
What will you take into account while identifying the following?
A physical change in a substance.
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Breaking of glass
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Select the chemical changes from the following list of changes
Change of seasons
