Question

cohesion occurs between...

select one:
a. same molecules
b. different molecules
c. only liquids
d. only metals

Explanation:

Define cohesion

Cohesion is the intermolecular attractive force acting between like molecules of the same substance.

Compare with options

• Option a (Same molecules) matches the definition of cohesion.
• Option b (Different molecules) describes adhesion.
• Options c and d are incorrect because cohesive forces exist in various states of matter, not exclusively in liquids or metals.

Answer:

• a. Same molecules (Correct answer)
• b. Different molecules
• c. Only liquids
• d. Only metals