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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
Classify the following as chemical or physical change:
Melting of butter in a pan
Write true or false for the statement.
Deforestation is a man-made change
What role does energy play in initiating a chemical change ?
State whether the following is physical or chemical changes.
Slaking of lime —
Sublimation is classified as a physical change. Why ?
Solve this crossword by using the clues that follow-
Across
1. Energy in the form of sunlight is absorbed by the green plants in this process.
4. The reddish-brown substance formed over iron in the presence of oxygen and moisture.
5. This change is permanent and irreversible.
6. The process in which a solid directly changes into gaseous state.
Down
1 . It is the change that takes place in case of swinging pendulum of a clock. –
2. Occurrence of this is a non-periodic change as well as a natural change.
3. It is a physical change.
Which of the following are physical changes and which are chemical changes ?
Glowing of an electric bulb
Select the correct answer from the choice given below to complete the sentence
The matter is added or removed during a ____________ change.
Higher order Thinking question
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
Adding sugar to milk is a physical change.
