Question

Match the following:
'A' 'B'
1. caffeine - a. four C-H bond
2. propane - b. triple bond
3. methane - c. single bond
4. ethene - d. double bond
5. propyne - e. liquefied CO2
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Answer 1

Answer:

1    c  

2   e

3    a

4    d

5    b

Explanation:excuse me if wrong