What is the difference between "chance" and "opportunity"?

[Hieupt]

Business Idiom in English, Intermediate level

ESL/EFL Test #128 "Ways of disapproving", question 9

He told me there was definitely no ......... that I would pass my examination until I did some work.

(a) occasion
(b) chance
(c) opportunity
(d) time

Business Idiom in English, Intermediate level

ESL/EFL Test #128 "Ways of disapproving", answer 9

He told me there was definitely no chance that I would pass my examination until I did some work.

Correct answer: (b) chance
_________________________

What is the difference between "chance" and "opportunity"?
_________________
Thank you very much,
Hieu Phan.

P/s: Please just correct if I'm wrong somewhere!

[Mister Micawber]

Chances are luckier.
_________________
Native English teacher at Mister Micawber's