1.

Swati took two glass plates I and II. She introduced them to the-different zones of a flame (as shown in the figure). She held them there with a pair of tongs for about 10 seconds. She observes that a circular-blackish ring has developed on plate I, while no such blackish ring is observed on plate II. From Swati's experiment, it can be concluded that ______i______ zone is the zone containing unburnt particles, and the ___ii___ zone is the zone of complete combustion. The information in which alternative completes the given statement?

A.  i-outermost, ii-Innermost
B.  i-Innermost, ii-Outermost
C.  i-Innermost, ii-Middle.
D.  i-Middle, ii-Innermost
Answer» C.  i-Innermost, ii-Middle.


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