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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
पर्याय
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
State the various conditions that favour the process of evaporation.
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
True or false
In a physical change no net energy change is involved.
Write true or false
Deforestation is a man-made change.
Give four difference between physical and chemical changes.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Compare the energy changes involved during a physical and a chemical change.
What is the difference between dissolution of sugar and burning of sugar ?
Natural changes which take place in nature on their own, are beyond the control of human being.
Adding sugar to milk is a physical change.
