Tiwari Academy Discussion

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Srushti

Today, Riya performs two set of experiments carefully to study the length of the foam formed are as follows: Set I: Riya takes 10 ml (mililitre) of distilled water in test tube “A” and adds 5-6 drops of liquid soap in it and shakes the test tube. Set II: Riya takes 10 ml of distilled water in a test tube “A” and adds 5-6 drops of liquid soap with half spoonful of Calcium sulfate (or calcium sulphate, CaSO4) in it and shakes vigorouisly the test tube. What do you think. Write your observation and reason.

NCERT, CBSE Class 10 Science Sample Question Paper new 2023-2024 with Solutions