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प्रश्न
True or false
In a physical change no net energy change is involved.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Write short answer.
Sublimation is classified as a physical change. Why ?
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Earthquake is a desirable change.
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Melting of ice is a physical change.
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Heat is ________ by a gas during the process of condensation.
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Burning of paper and formation of curd are reversible changes.
Which of the following are physical changes and which are chemical changes ?
Freezing of water
What type of energy changes is associated when ice melts?
Gas exists in three states as solid, liquid, and gas.
Natural changes which take place in nature on their own, are beyond the control of human being.
A physical change is generally____________.
