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प्रश्न
Tick the most appropriate answer.
Rising and setting of the sun at a given place is a
पर्याय
periodic change
undesirable change
physical change
reversible change
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उत्तर
periodic change.
APPEARS IN
संबंधित प्रश्न
Write short answer.
Sublimation is classified as a physical change. Why ?
Classify the following changes as physical or chemical:- melting of a solid (wax)
Define physical change. Give two examples for the above changes.
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Classify the following as a physical or a chemical change.
Burning of paper
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Select the chemical changes from the following list of changes
The occurrence of lightning.
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
Filling up a balloon with hot air is a _______ change.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
