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प्रश्न
Give one example of change occurs on mixing two substances, but can be reversed.
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उत्तर
Formation of salt solution.
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संबंधित प्रश्न
Magnet attracts iron needle.This is ______ change.
Choose the odd one out. Give reason for your choice.
Changes which cannot be reversed are called ______.
Water on ______ changes to ice and on ______ comes back to water.
Analogy:
Irreversible change: Making idly front batter.
Reversible change: ______.
Which of the following change cannot be reversed?
Can we reverse the following change? If yes, suggest the name of the method.
Water into water vapour
Boojho’s sister broke a white dove, a symbol of peace, made of Plaster of Paris (POP). Boojho tried to reconstruct the toy by making a powder of the broken pieces and then making a paste by mixing water. Will he be successful in his effort? Justify your answer.
Choose the odd one out. Give a reason for your choice.
Circle the odd one out. Give a reason for your choice.
