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प्रश्न
Select the chemical changes from the following list of changes
Boiling of milk.
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उत्तर
Boiling milk is PHYSICAL change as no change in composition, temporary and reversible, no new substance with new properties is formed.
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संबंधित प्रश्न
A physical change is temporary. Explain.
State whether the following is physical or chemical changes.
shaping a piece of glass —
Classify the following changes as physical or chemical.
The rusting of an iron object is called :
Fill in the blank.
The process of a liquid changing into a solid is called ________
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State the conclusions which can be drawn, to represent photosynthesis as a physical or a chemical change.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
Select the chemical changes from the following list of changes
The carbon cycle.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Select the correct answer from the choice given below to complete the sentence
A change in which a substance retains its identity is a
______ change.
