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प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
पर्याय
Chemical change
Physical change
उत्तर
Physical change
Explanation:
Cutting down trees changes their physical shape and size, but does not change their chemical composition or nature. Hence it is classified as a physical change.
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संबंधित प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
State the differences between a physical change and a chemical change.
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Name the following:
The type of change physical or chemical involved – ‘when a substance undergoes a change in state, colour or size’.
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.
Give the reason why the following is considered as chemical changes.
Copper carbonate on heat gives copper oxide and carbon dioxide.
Physical Change: Boiling::Chemical Change: ______.
Making sugar solution is a ____________ change.
Which of the following is not a physical change?
