The experiment shown below was done by class 7 pupils to investigate a certain ingredient of tobacco.

      

The experiment shown below was done by class 7 pupils to investigate a certain ingredient of tobacco.

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The ingredient being investigated was:

A. Carbon dioxide
B. Tar
C. Carbon monoxide
D. smoke

  

Answers


Martin
The correct answer is B. Tar
marto answered the question on October 16, 2019 at 08:10


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