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प्रश्न
Fill in the blank
Changes that occur in nature are called ______
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उत्तर
Changes that occur in nature are called Natural changes.
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संबंधित प्रश्न
State the various conditions that favour the process of evaporation.
Classify the following as a physical or a chemical change.
Butter getting rancid
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
Select the chemical changes from the following list of changes
Rotting of eggs.
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Name the following.
A form of energy required for a chemical change.
Assertion: Burning of wood log to charcoal is a physical change.
Reason: The products formed of burning a piece of wood can be easily converted back to wood log.
Natural changes which take place in nature on their own, are beyond the control of human being.
Give two examples for the following case:
Physical changes which are not reversible
Iron pipes coated with zinc do not get rusted easily.
