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प्रश्न
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
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उत्तर
Yes, water can be converted to ice by freezing.
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संबंधित प्रश्न
Short Answer Type Question:
What is a chemical change? Explain with example.
Circle the odd one.
Analogy
Curdling of milk : irreversible change :: Formation of clouds : ________change
Choose the odd one out. Give reason for your choice.
Inflating a balloon, popping a balloon, fading of wall paint, burning of kerosene
When a candle is lit the following changes are observed.
- Wax melts.
- Candle keeps burning.
- The size of the candle decreases.
- The molten wax solidifies
- Which of the changes can be reversed? Justify your answer
Dissolving sugar in water is a ______ change.
The burning of the paper is an irreversible change.
Salt can be separated from its solution (salt dissolved in water), because ______.
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
Give one example of change which occurs on heating but cannot be reversed.
