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CIPS L3M5 Exam - Topic 1 Question 33 Discussion

Actual exam question for CIPS's L3M5 exam
Question #: 33
Topic #: 1
[All L3M5 Questions]

What is the chemical formula for carbon dioxide?

Show Suggested Answer Hide Answer
Suggested Answer: D

CO2 - an example of a greenhouse gas.

This is very common knowledge.


by Eve at Apr 09, 2025, 09:03 PM

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Leota
3 months ago
Are we sure it's not N2O? Sounds familiar.
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Jenifer
3 months ago
Wait, isn't CO2 just carbon monoxide?
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Makeda
3 months ago
Definitely CO2, can't believe some people mix it up!
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Ma
4 months ago
CH4 is methane, not CO2!
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Major
4 months ago
The formula for carbon dioxide is CO2.
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Leatha
4 months ago
I feel like I’ve seen CH4 and N2O in other questions, but CO2 definitely stands out as the formula for carbon dioxide.
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Adrianna
4 months ago
I keep mixing up CO2 and CO. I hope I remember correctly that CO2 is the one with two oxygen atoms.
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Leonie
5 months ago
I practiced a similar question last week, and I’m pretty confident that CO2 is the right answer. It’s the one with carbon and two oxygens.
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Elouise
5 months ago
I think the formula for carbon dioxide is CO2, but I’m not completely sure. I remember it has two oxygen atoms.
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Doyle
5 months ago
I've got this! Carbon dioxide, the formula is CO2. Easy peasy.
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Wayne
5 months ago
Wait, is it N2O? No, that's nitrous oxide. Ugh, I'm getting confused. I better double-check the options.
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Shayne
5 months ago
Okay, let's see. I remember learning that carbon dioxide has two oxygen atoms, so the formula must be CO2. I'm feeling good about that.
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Maryanne
6 months ago
Hmm, I'm not 100% sure about this one. Let me think it through - I know carbon has the symbol C and oxygen has the symbol O, so maybe the formula is CO2?
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Roselle
6 months ago
This one's easy, I'm pretty confident the answer is B. CO2 is the chemical formula for carbon dioxide.
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Milly
11 months ago
Haha, C'mon, it's basic chemistry! CO2 all the way, baby!
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Pamella
10 months ago
Definitely CO2, no doubt about it.
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Joaquin
10 months ago
Yeah, it's CO2 for sure.
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Lonny
10 months ago
CO2
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Tori
11 months ago
B, CO2. Gotta love that carbon-oxygen action, am I right?
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Ellsworth
9 months ago
B, CO2. Gotta love that carbon-oxygen action, am I right?
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Lacey
9 months ago
D) CO
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Breana
9 months ago
C) N2O
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Cristy
9 months ago
B) CO2
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Elina
10 months ago
A) CH4
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Chau
11 months ago
CO2, of course. You'd have to be a real CO-kehead to get this one wrong.
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Lajuana
9 months ago
CO2, of course. You'd have to be a real CO-kehead to get this one wrong.
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Mollie
10 months ago
D) CO
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Sharita
10 months ago
C) N2O
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Louann
10 months ago
B) CO2
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Joaquin
11 months ago
A) CH4
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Paul
11 months ago
I agree with Felicitas, the chemical formula for carbon dioxide is B) CO2.
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Felicitas
11 months ago
I think it's B) CO2 because carbon dioxide is made up of one carbon atom and two oxygen atoms.
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Tiera
11 months ago
B) CO2
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Johnson
12 months ago
Easy peasy, it's definitely CO2. I could name that in my sleep!
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Margurite
10 months ago
Easy peasy, it's definitely CO2. I could name that in my sleep!
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Willow
10 months ago
D) CO
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Mindy
10 months ago
C) N2O
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Walton
10 months ago
B) CO2
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Truman
11 months ago
A) CH4
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