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प्रश्न
Tick the most appropriate answer.
Rising and setting of the sun at a given place is a
विकल्प
periodic change
undesirable change
physical change
reversible change
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उत्तर
periodic change.
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संबंधित प्रश्न
Fill in the blank.
Changes that occur in nature are called ........................
State the various conditions that favour the process of evaporation.
Classify the following changes as physical or chemical:- melting of a solid (wax)
State whether the following is physical or chemical changes.
water cycle in nature —
Tick (√) the correct alternative from the choice given for the following statement
Which one of the following is volatile in nature ?
Classify the following as physical or chemical change :
Growth of a plant
Change is the law of nature and occurs in our everyday life, at all times and in all places. Differentiate between the following change with a suitable example.
Desirable and undesirable change.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Give the reason why the following is considered as chemical changes.
Sulphur when burnt in air evolves a gaseous acidic product.
In a solution of salt in water, water is the solute
