Students of class 2 observed the gas being produced in the activity by mixing vinegar and soda bicarbonate . Carbon dioxide gas was produced which inflated the balloon .
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Students of class 2 observed the gas being produced in the activity by mixing vinegar and soda bicarbonate . Carbon dioxide gas was produced... -
Student of Class II did a hands on activity on forming shadow with light source and an opaque object "The shadow puppet" studen...
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