Carbon and its Compounds | Activities in Text Book with Solution
Activity 4.12
Take two test tubes with about 10 mL of hard water in each.
Add five drops of soap solution to one and five drops of detergent solution to the other.
Shake both test tubes for the same period.
Do both test tubes have the same amount of foam?
✅ Answer: No. The test tube containing detergent has more foam.
In which test tube is a curdy solid formed?
✅ Answer: In the test tube containing soap.