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प्रश्न
What type of change is colouring of a paper?
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उत्तर
Physical change.
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संबंधित प्रश्न
Classify the following changes as physical or chemical:- melting of a solid (wax)
A burning candle shows both physical and chemical changes. Explain ?
Name a chemical change which takes place in presence of:
State whether the following is physical or chemical changes.
glowing of a bulb -
Write true or false
Cutting of paper into pieces is a chemical change.
State the Differences Between a Physical Change and a Chemical Change.
Which of the following are physical changes and which are chemical changes?
Burning of candle wax, Melting of candle wax, Mixing of iron filings and sand, Burning of wood, Breaking a piece of chalk, Burning a piece of paper, Cutting a piece of paper.
What will you take into account while identifying the following?
A chemical change in a substance.
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Give reasons why – separation of mixtures e.g. iron from a mixture of iron and sulphur is a physical change, but heating a mixture of iron and sulphur is considered a chemical change.
