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प्रश्न
An iron ring is heated. Which of the following statement about it is incorrect?
विकल्प
The ring expands.
The ring almost comes to the same size on cooling.
The change in this case is reversed.
The ring changes its shape and the change cannot be reversed.
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उत्तर
The ring changes its shape and the change cannot be reversed.
Explanation:
The ring expands on heating and comes back to its original size on cooling. The change is reversible.
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संबंधित प्रश्न
Short Answer Type Question:
What is a physical change? Explain with example.
An example for reversible change is
Circle the odd one.
Drying of wet clothes in air is an example of
Give examples to explain the difference between changes that can or cannot be reversed.
Dissolving sugar in water is a ______ change.
Name the two types of changes.
Which of the following change cannot be reversed?
Give one example of change which occurs on heating but cannot be reversed.
Circle the odd one out. Give a reason for your choice.
