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Why do changes occur around us? Explain it with examples.
Is cutting paper a reversible change or a irreversible change? Can you tape the cutten paper into the original substance?!
what is the difference between the following changes
i rolling of chapatti and baking of chapati
Explain why the idli batter rises when kept overnight without refrigeration
What is a periodic change??
Burning of candle is a physical or a chemical change . Why ?
pls explain .
A Potter shapes pots out of clay then bakes the pots in an oven . Identify the reversible ans irreversible changes taking place in the process .
give two examples to show that when substances are mixed ,it may result in a chemical or a physical change depending on the conditions
What is Reversible and Irreversible changes ?
a potato remains a potato even after it is cooked.so is it physical or chemical change?