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प्रश्न
Write true or false
Melting of ice is a physical change.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Match the columns
| column A | coulmn B |
| 1. A change which cannot be easily reversed | a. man-made change |
| 2.A change that repeats itself at regular intervals | b. chemical change |
| 3. A change that is made by humans | c. physical change |
|
4. A change in which the original substance cannot be obtained |
d. periodic change |
| 5. A change where no new substance is formade | e. irreversible change |
| f. slow change |
Write true or false
Burning of sugar is a temporary change.
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Write true or false
A natural change can also be a desirable change.
Classify the following as physical or chemical change :
Growth of a plant
What will you take into account while identifying the following?
A physical change in a substance.
Give three reasons why melting of wax, is considered a physical change while burning of a candle, a chemical change.
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Select the chemical changes from the following list of changes
Glowing of an electric bulb.
What kind of change is shown by tearing of paper?
