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प्रश्न
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.
Slow and fast change.
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उत्तर
| Slow change | Fast change |
| (i) Changes which occur – very slowly over days, months, or years. | (i) Changes which occur – very rapidly in seconds or minutes. |
| (ii) Examples: Growth of a tree from a seed - a few years, tooth decay, change of seasons, growth of many rusting of iron | (ii) Examples: Occurrence of lightning - a few seconds, burning of paper or match, lighting a bulb, bursting of fireworks. |
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संबंधित प्रश्न
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
State whether the following is physical or chemical changes.
shaping a piece of glass —
Fill in the blank
Changes that occur in nature are called ______
State the Differences Between a Physical Change and a Chemical Change.
Classify the following as physical or chemical change :
Growth of a plant
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
What is a chemical change ? Give two examples of chemical changes.
Classify the Following as a Physical Or a Chemical change.
Glowing of an Electric Bulb
Digestion of food is a physical change.
Iron pipes coated with zinc do not get rusted easily.
