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प्रश्न
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
विकल्प
released
absorbed
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उत्तर
The energy required for completion of a physical change is released when the change is reversed.
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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
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
True or false
Is the process of digestion a physical change?
Classify the following changes as physical or chemical.
Give four difference between physical and chemical changes.
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Select the chemical changes from the following list of changes
Respiration in mammals.
Digestion of food is a physical change.
Distinguish physical and chemical changes.
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
