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प्रश्न
True or false
Change of seasons is a non-periodic change.
पर्याय
True
False
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उत्तर
False.
Change of seasons is a periodic change.
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संबंधित प्रश्न
Melting of solid (wax) is a physical change.
How do you say that the process of digestion is a chemical change ?
Write true or false
Burning of paper and formation of curd are reversible changes.
Classify the following changes as physical or chemical.
Classify the following as a physical or a chemical change.
Burning of paper
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Slow and fast change.
State whether the following statement is true or false. If false write the correct statement.
Melting of ice is an exothermic, irreversible chemical change.
Give a reason why rusting of iron is a chemical change but, the magnetization of iron is a physical change.
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
State whether the following statement is true or false:
Anaerobic bacteria digest animal waste and produce biogas.
