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प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
विकल्प
Physical change
Chemical change
उत्तर
Chemical change
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संबंधित प्रश्न
Fill in the blank.
An earthquake is a .................. change.
Write short answer.
Name two reversible changes.
Write true or false
Melting of ice is a physical change.
State one instance where water undergoes a physical change and one in which it undergoes a chemical change.
Which of the following are physical changes and which are chemical changes ?
Rusting of iron
Classify the following as a physical or a chemical change.
Drying of wet clothes
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Assertion: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
Give two examples for each of the following cases:
Physical changes are reversible.
Explain the characteristics of physical change with examples.
