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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
Fill in the blank.
An earthquake is a .................. change.
Write short answer.
Name two reversible changes.
Classify the following changes as physical or chemical:- melting of a solid (wax)
State whether the following is physical or chemical changes.
photosynthesis —
True or false
Is melting of ice a reversible change?
True or false
In a physical change no net energy change is involved.
Separate the following into physical and chemical changes :
Sublimation of a solid, Decomposition of water into hydrogen and oxygen by passing electric current, Formation of clouds, Making a fruit salad from raw fruits, Dissolving carbon dioxide in water
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
What kind of change is shown by tearing of paper?
