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प्रश्न
Fill in the blank
Revolution of the earth around the sun is a ________ change.
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उत्तर
Revolution of the earth around the sun is a natural periodic change.
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संबंधित प्रश्न
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Cutting a log of wood into pieces is a chemical change.
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
Write true or false for the statement.
Deforestation is a man-made change
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State whether the following is physical or chemical changes.
growing of a piglet into a pig —
Make a list of different types of changes with example.
Classify the following as physical or chemical changes :
Breaking of a glass tumbler
State what is meant by the term – interconversion of matter. Is interconversion of matter a physical change or a chemical change.
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Stretching gold coin into a ring is a ______ change.
