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प्रश्न
Under which different types can the following changes be classified?
Occurrence of an earthquake.
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उत्तर
Natural change
संबंधित प्रश्न
What do you observe when :
a piece of paper is burnt
What do you observe when :
solid ammonium chloride is heated
Fill in the blank
Burning of fuel is a _______ change.
True or false?
During a physical change energy is either given out or absorbed by the system.
Chemical changes are accompanied by changes in energy.
Under which different types can the following changes be classified?
Stretching of a spring.
Give reason.
A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry.
Fill in the blank with the correct word of the statement given below:
Ammonium chloride, a sublimable solid undergoes _________ on heating.
What is the change?
Cut vegetables turn brown when exposed to air, this is due to ______.
