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प्रश्न
Under which different types can the following changes be classified?
Occurrence of an earthquake.
उत्तर
Natural change
संबंधित प्रश्न
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
passing electric current through a heater rod —
State whether the following is physical or chemical changes.
Boiling of an egg —
Tick (√) the correct alternative from the choice given for the following statement
When sugar is heated, its colour changes into
Melting of solid (wax) is a physical change.
What role does energy play in initiating a chemical change ?
Under which different types can the following changes be classified?
Revolution of the earth around the sun.
Give reason.
While purchasing canned food, its expiry date should be checked.
Give reason.
A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry.
______ is the process in which something becomes different from what it was earlier.
