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प्रश्न
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
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उत्तर
Change of season is periodic change as it occurs at regular intervals. Change of weather is non-periodic change because it does not occur periodically at regular intervals. Weather can change suddenly and it may rain in the evening.
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संबंधित प्रश्न
Write short answer.
Give an example of desirable change which can also be undesirable
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Write true or false
Melting of ice is a physical change.
True or false
Is melting of ice a reversible change?
Write true or false
Decomposition of leaves is a fast change.
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
Give a reason why – Addition of zinc nitrate to water is a physical change but, the addition of zinc to dilute nitric acid is a chemical change.
Select the chemical changes from the following list of changes
Breaking of glass
What kind of change is shown by tearing of paper?
