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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:
Rusting of almirah
Choose the most appropriate answer.
Rising and setting of the sun at a given place is a
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
A physical change is temporary. Explain.
State the differences between a physical change and a chemical change.
Fill in the blank with the appropriate word of the statement given below:
Germination of seeds is considered a __________ change.
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
