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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
Fill in the blank
change in which the substance can be brought back to its original state is called a ............... change.
Write true or false for the statement.
Burning of paper and formation of curd are reversible changes
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
What is a physical change ? Give two examples of physical changes.
Fill in the blank.
The reaction in which energy is evolved is called
State whether the following statement is true or false. If false write the correct statement.
Melting of ice is an exothermic, irreversible chemical change.
Fill in the blank with the correct word of the statement given below:
Sublimation involves a __________ change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Select the chemical changes from the following list of changes
Drying of a fruit
Grinding of wheat grain changes its size. It is a ____________ change.
