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प्रश्न
Fill in the blank.
Growing of a seedling into a plant is _______ change.
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उत्तर
Growing of a seedling into a plant is chemical change.
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संबंधित प्रश्न
Write true or false for the statement
A natural change can also be a desirable change
Write true or false for the statement
Decomposition of leaves is a fast change.
Sublimation is classified as a physical change. Why ?
Classify the following changes as physical or chemical.
Classify the following as physical or chemical change :
Formation of curd from milk
Fill in the blanks with the appropriate words of the statement given below:
Heating a piece of iron is considered a __________ change while heating a piece of coal [carbon] is considered a ___________ change.
Name the following:
The term involved in the change of state from – ‘water to ice’ – which is a physical change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Match the examples of changes in List I with the correct type of change in List II.
| List I | List II |
| 1. Burning of paper | A: Physical change |
| 2. The ringing of an electric bell | B: Chemical change |
| 3. Curdling of milk | |
| 4. Electric light is switched on | |
| 5. Melting of butter |
Higher order Thinking question
Boiling of water is a physical change; but boiling of egg is a chemical change. Why?
