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प्रश्न
Burning of match stick is a reversible change.
विकल्प
True
False
उत्तर
Burning of match stick is a reversible change- False.
Correct statement
Burning of match stick is an irreversible change.
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संबंधित प्रश्न
Short Answer Type Question:
What happens when sugar is heated?
Long Answer Type Question:
Explain how a metal rim slightly smaller than a wooden wheel can be fixed on it.
Circle the odd one.
Rusting of iron is a reversible change.
What are reversible changes?
Paheli had bought a new bottle of pickle from the market. She tried to open the metal cap to taste it but could not do so. She then took a bowl of hot water and immersed the upper end of the bottle in it for five minutes. She could easily open the bottle now. Can you give the reason for this?
Can we reverse the following change? If yes, suggest the name of the method.
Water vapour into water
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Choose the odd one out. Give a reason for your choice.
Choose the odd one out. Give reason for your choice.
