Grade 12th pass7 grade science
Paheli fixes two balloons on the mouth of two bottles, say A and B. A is kept in the sun and B is kept in the refrigerator for an hour. Pick the correct observation for Paheli's experiment
Paheli fixes two balloons on the mouth of two bottles, say A and B. A is kept in the sun and B is kept in the refrigerator for an hour. Pick the correct observation for Paheli's experiment
