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प्रश्न
Write true or false
Cutting of paper into pieces is a chemical change.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
State the various conditions that favour the process of evaporation.
Classify the following changes as physical or chemical:-boiling
What do you observe when :
lighted match stick is brought near the mouth of the test tube containing hydrogen gas.
True or false
Dissolving of a solid in liquid is a physical change.
Name two reversible changes.
Classify the following as physical or chemical change :
Formation of curd from milk
Given reason:
Burning of paper is a chemical change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
