Chemistry Quiz
20 questions · no time limit
0:00
Finish quiz
MATTER AND ITS INTERACTIONS
Question 1
of 20
Flag for review
No time limit
Current
Answered
Flagged
Not seen
Methane combusts according to
CH
4
+
2
O
2
→
CO
2
+
2
H
2
O
.
\text{CH}_4 + 2\text{O}_2 \rightarrow \text{CO}_2 + 2\text{H}_2\text{O}.
CH
4
+
2
O
2
→
CO
2
+
2
H
2
O
.
What is the mole ratio of
H
2
O
\text{H}_2\text{O}
H
2
O
to
CO
2
\text{CO}_2
CO
2
?
A
2:1
B
1:2
C
2:2
D
1:1
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
KEYBOARD
Pick an answer
A
B
C
D
Next question
↵
→
Previous
←
Flag for review
F