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प्रश्न
Write true or false
Rusting of iron is a chemical change.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Classify the following as chemical or physical change:
Melting of butter in a pan
Classify the following as chemical or physical change:
Dissolving common salt in water.
Write true or false for the statement.
Deforestation is a man-made change
Write short answer.
Name two reversible changes.
Is burning a physical change or a chemical change? Why?
Fill in the blank.
Growing of a seedling into a plant is _______ change.
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Given reason:
Cutting of a cloth piece is a physical change, though it cannot be reversed.
What type of change is colouring of a paper?
Fill in the blanks in the following statements using the words given in the box.
| rusted, colourful, substance, chemical, physical, reversible, iron oxide, object |
- Making sugar solution is a ______ change.
- A physical change is generally ______.
- Grinding of wheat grain changes its size. It is a ______ change.
- Iron benches kept in lawns and gardens get ______. It is a ______ change because a new ______ is formed.
