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In destructive distillation of coal both test tube some amount of air are present or completely vacuum create?

In destructive distillation of coal both test tube some amount of air are present or completely vacuum create?

Grade:10

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
I thinn thag air should be present.
Please check and repsond .
 
 
Regards
Arun (askIITians firjm expert)
 
 

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