Answers WA-Physical Science B Acceleration — Cumulative examQuestion 24

24

QuizMultiple Choice

Acceleration — Cumulative exam

Question 24 • WA-Physical Science B

Which will decrease the rate of a reaction?

Answer

A

changing the temperature from 90ºC to 40ºC

B

adjusting the concentration from 30 ng to 60 ng

C

placing the substance in a smaller container

D

grinding the substance into a powder