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प्रश्न
True or false
Change of seasons is a non-periodic change.
पर्याय
True
False
उत्तर
False.
Change of seasons is a periodic change.
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संबंधित प्रश्न
Tick the most appropriate answer.
5. Photosynthesis requires
- heat energy.
- wind energy
- sunlight.
- sound energy
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
State whether the following is physical or chemical changes.
respiration in living beings —
State whether the following is physical or chemical changes.
Slaking of lime —
Write true or false
Cutting of paper into pieces is a chemical change.
Classify the following as physical or chemical change :
Formation of curd from milk
State the observations seen, when milk in a dish is kept aside for a few hours or more. Is the change which occurs – a physical change or a chemical change. Give reasons.
Select the chemical changes from the following list of changes
Drying of a fruit
______ is the Universal Solvent.
Cutting a log of wood into pieces is a chemical change.
