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Acid rain

by GmatKiss » Mon Sep 19, 2011 4:56 am
Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.

(A) with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

(B) with atmospheric water vapor producing highly corrosive sulfuric and nitric acids

(C) and atmospheric water vapor which has produced highly corrosive sulfuric and nitric acids

(D) and atmospheric water vapor which have produced sulfuric and nitric acids which are highly corrosive

(E) and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

OA after some discussion
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by shankar.ashwin » Mon Sep 19, 2011 6:25 am
E IMO.

reaction between (A) and (B) to produce (C) and (D).


GmatKiss wrote:Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.

(A) with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

(B) with atmospheric water vapor producing highly corrosive sulfuric and nitric acids

(C) and atmospheric water vapor which has produced highly corrosive sulfuric and nitric acids

(D) and atmospheric water vapor which have produced sulfuric and nitric acids which are highly corrosive

(E) and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

OA after some discussion
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by cans » Mon Sep 19, 2011 6:28 am
IMO D
between is there, thus and should be present. Eliminate A and B.
chemical reactions is plural, thus C is eliminated. (which has...)
E) Acid rain result from chemical reactions to produce doesn't make sense.....
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by VivianKerr » Mon Sep 19, 2011 7:37 am
We have the "between ____ and _____" idiom here, so we want to make sure that both parts are logical.

"between _____ with ____" is incorrect. :-( A and B are out.

"sulfer dioxide and nitrogen oxides" is a compound noun -- they are part of the FIRST part of the Idiom. (don't be confused by the fact that we use "and" to form the compound; this "and" is not part of the Idiom!

In C - "has" doesn't agree with the noun "reactions"
In D - "which have....which are...." is awkward.
In E - "result from ____ to produce ____" has a clear meaning.

Think of it like this: 1 results from chemical reactions between 2 and 3 to produce 4.
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