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CBSE Class 10 Science 2015 Term II Outside Delhi Set 2

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Question : 1 of 12
Marks: +1, -0
Write the number of covalent bonds in the molecule of propane, C3H8.
Solution:  
H−
H
|
C
|
H
−
H
|
C
|
H
−
H
|
C
|
H
−H
10‌Bonds
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