Question
When a detergent is added to pure water, its surface
tension βSolution
When Soaps and detergents are added to water, they weaken the strength of the skin on the water's surface due to surface tension by interfering with hydrogen bonding between water molecules. It happens because the polar end of the soap or detergent is also attracted to the water, thereby decreasing the surface tension.
How is S related to E?
Answer the questions based on the information given below.
There are seven members D, E, F, G, H, I and J in a family, which consists of only...
There are six persons, C, D, E, F, G and H in a family. H is the paternal grandmother of C. E is the sister of G. D is the father of E. C is the only so...
Study the information carefully and answer the questions accordingly.
There are nine members in a family with four females and two married coup...
Ankit and Mohit are brothers. Shikha and Shweta are sisters. Ankit’s son is Shweta’s brother. How Mohit is related to Shikha?
B has two sons and one daughter. G and J are the two married sons of B. F is the son of G. I is the daughter of C. E is married to G. C is married to J....
How is G related to E?
There are nine members in three generations and three married couples in the family. There are only four male members in the family. K is son of N who i...
Answer the questions based on the information given below.
There are seven members in a family (L, M, N, O, P, Q and R) which consists of three...
In a family, H is the father of M, P is the mother of Z, M is the brother of Z and O is married to M. Who is the father-in-law of O?