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प्रश्न
Fill in the blank.
Growing of a seedling into a plant is _______ change.
उत्तर
Growing of a seedling into a plant is chemical change.
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संबंधित प्रश्न
Write true or false for the statement.
Deforestation is a man-made change
Write short answer.
What are man-made changes ?
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
True or false
Change of seasons is a non-periodic change.
Classify the following as a physical or a chemical change.
Burning of paper
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Given reason:
Burning of paper is a chemical change.
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Give an example to justify the statement that physical changes can be reversible as well as irreversible.
