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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
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Fill in the blank
Revolution of the earth around the sun is a ________ change.
Two chemical substances X and Y combine together to form a product P which contains both X and Y X + Y P
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?
- P is a compound
- X and Y are compounds
- X and Y are elements
- P has a fixed composition
Classify the following as physical or chemical change :
Condensation of steam
The rusting of an iron object is called :
Classify the following as a physical or a chemical change.
Melting of wax
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Give four difference between physical and chemical changes.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Classify the following as physical or chemical properties
Metallic sodium is soft enough to be cut with a knife.
