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प्रश्न
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
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उत्तर
Physical change: Sublimation of a solid, making a fruit salad from raw fruits, formation of clouds, and dissolution of carbon dioxide in water Chemical change: Decomposition of water into hydrogen and oxygen by passing electric current (electrolysis)
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Boiling of water to form steam.
Classify the following changes as physical or chemical:- melting of a solid (wax)
Fill in the blank
Heat is ________ by a gas during the process of condensation.
What are man-made changes ?
Classify the following as physical or chemical change :
Condensation of steam
Classify the following as a physical or a chemical change.
Butter getting rancid
Fill in the blank.
A change, which alters the composition of a substances, is known as a___________ change.
Select the chemical changes from the following list of changes
Vaporisation of water into water vapour.
______ is the Universal Solvent.
Explain the characteristics of physical change with examples.
