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प्रश्न
Classify the following as a physical or a chemical change.
Drying of wet clothes
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उत्तर
Physical change
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
State three differences between evaporation and boiling
Write true or false
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Given reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
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.
Give four reasons why the burning of a magnesium ribbon in the air is considered a chemical change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Give the reason why the following is considered as chemical changes.
Sulphur when burnt in air evolves a gaseous acidic product.
Water is known as a universal solvent. Why?
