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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
विकल्प
burning of candle
melting of ice
cooking of food
blowing of bulb
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उत्तर
burning of candle
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संबंधित प्रश्न
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Write true or false for the statement.
Deforestation is a man-made change
A physical change is temporary. Explain.
Classify the following as physical or chemical change :
Condensation of steam
Give the main differences between physical changes and chemical changes.
Which of the following are physical changes and which are chemical changes ?
Name the following.
The product obtained during a physical change when water converts from a liquid into a solid.
Stretching gold coin into a ring is a ______ change.
______ is the substance that is dissolved in a solvent.
Water is the universal solvent. Why?
