NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is adhesion?
A
Water molecules sticking to water molecules
B
Water molecules sticking to something else
C
A film at the surface
D
None of the above
Explanation: 

Detailed explanation-1: -Cohesion and adhesion are two water properties that describe how water molecules interact with each other. and how water molecules interact with other things like leaves or even you. Cohesion means that water likes to stick to itself. and adhesion means that water likes to stick to other things.

Detailed explanation-2: -Cohesion: Water is attracted to water, and Adhesion: Water is attracted to other substances.

Detailed explanation-3: -Adhesion is caused by the polarity of water. Water molecules have an uneven sharing of electrons due to covalent bonding. This creates a negative and positive end of each water molecule. This results in water being attracted to other molecules.

There is 1 question to complete.