25
AssignmentDropdown

Lab: Types of Reactions

Question 25 • IA-Chemistry A Survey of Chemistry A

Grind a metal into a fine powder.

Answer
A
Particles collide more frequently.
B
Particles collide less frequently.
C
Particles collide with more force.
D
Particles collide with less force.
E
Particles do not collide.

Explanation

Grinding the metal into a fine powder increases its exposed surface area. More of the metal is available for collisions with other particles, so collisions occur more frequently. The correct choice is “Particles collide more frequently.”

AI-written and checked against the verified answer.