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प्रश्न
Select the chemical changes from the following list of changes
Breaking of glass
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उत्तर
Breaking of glass is a PHYSICAL change as no change in composition takes place, no new substance is formed.
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Cutting of trees
Ripening of fruits is a desirable change.
Give two examples of periodic changes.
Classify the following as a physical or a chemical change.
Drying of wet clothes
Change is the law of nature and occurs in our everyday life, at all times and in all places. Differentiate between the following change with a suitable example.
Desirable and undesirable change.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Slow and fast change.
Differentiate between a physical change and a chemical change with reference to – Formation of products.
Name the following:
The final product of the physical change involved during the ‘melting of a piece of wax’.
Select the correct answer from the choice given below to complete the sentence
The energy required for completion of a physical change is ______________ when the change is reversed.
State which of the following 1 to 5 pertain to – A: Physical Change B: Chemical change :
- Sublimation.
- Fermentation.
- Liquefaction or condensation.
- Magnetization.
- Respiration.
