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11 Mar 2016, 14:40
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
84% (01:09) correct
16%
(01:35)
wrong
based on 247
sessions
History
Date
Time
Result
Not Attempted Yet
Many acids corrode many metals, such as iron and copper, and oxygen does the same thing to them.
(A) Many acids corrode many metals, such as iron and copper, and oxygen itself does the same thing to them.
(B) Like many acids, oxygen itself has a corrosive effect on many metals, such as iron and copper
(C) Oxygen is like many acids in its ability to generate corrosive effect on many metals, such as and copper.
(D) Many metals, such as iron and copper, are corroded by oxygen itself; similarly, they are corroded by many acids.
(E) Corroding many metals, such as iron and copper, is a property of many acids, and, like these acids, of oxygen itself.
The GMAT loves tricky comparisons. For a discussion of these, as well as the OE for this particular question, see:
https://magoosh.com/gmat/2016/challengin ... -the-gmat/
Mike
(A) Many acids corrode many metals, such as iron and copper, and oxygen itself does the same thing to them.
(B) Like many acids, oxygen itself has a corrosive effect on many metals, such as iron and copper
(C) Oxygen is like many acids in its ability to generate corrosive effect on many metals, such as and copper.
(D) Many metals, such as iron and copper, are corroded by oxygen itself; similarly, they are corroded by many acids.
(E) Corroding many metals, such as iron and copper, is a property of many acids, and, like these acids, of oxygen itself.
The GMAT loves tricky comparisons. For a discussion of these, as well as the OE for this particular question, see:
https://magoosh.com/gmat/2016/challengin ... -the-gmat/
Mike
11 Mar 2016, 21:17
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Many acids corrode many metals, such as iron and copper, and oxygen does the same thing to them.
(A) Many acids corrode many metals, such as iron and copper, and oxygen itself does the same thing to them.
ITSELF has been added extra frm original.. so may be original missed out on it..
PRONOUN error.. THEM in end of the sentence can refer to acids or metals... There have been one odd instances where 'them' being 'object' should refer to the 'object' if both object and subject have been given.
Also 'the same thing' refers to some NOUN, but there is none in the initial clause, same thing' cannot refer to VERB corrode
(B) Like many acids, oxygen itself has a corrosive effect on many metals, such as iron and copper
correct.. removes the errors
(C) Oxygen is like many acids in its ability to generate corrosive effect on many metals, such as and copper.
IRON is missing in choice-must be typo error..
construction awkward, does not convey the same message
(D) Many metals, such as iron and copper, are corroded by oxygen itself; similarly, they are corroded by many acids.
No requirement of PASSIVE when better option is available
(E) Corroding many metals, such as iron and copper, is a property of many acids, and, like these acids, of oxygen itself.
Can be discarded without second thoughts
B
(A) Many acids corrode many metals, such as iron and copper, and oxygen itself does the same thing to them.
ITSELF has been added extra frm original.. so may be original missed out on it..
PRONOUN error.. THEM in end of the sentence can refer to acids or metals... There have been one odd instances where 'them' being 'object' should refer to the 'object' if both object and subject have been given.
Also 'the same thing' refers to some NOUN, but there is none in the initial clause, same thing' cannot refer to VERB corrode
(B) Like many acids, oxygen itself has a corrosive effect on many metals, such as iron and copper
correct.. removes the errors
(C) Oxygen is like many acids in its ability to generate corrosive effect on many metals, such as and copper.
IRON is missing in choice-must be typo error..
construction awkward, does not convey the same message
(D) Many metals, such as iron and copper, are corroded by oxygen itself; similarly, they are corroded by many acids.
No requirement of PASSIVE when better option is available
(E) Corroding many metals, such as iron and copper, is a property of many acids, and, like these acids, of oxygen itself.
Can be discarded without second thoughts
B
12 Mar 2016, 20:30
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mikemcgarry
Hi Mike,
Just saw your explanation for Choice A.
Quote:
My first take on it was
1) PRONOUN error.. THEM in end of the sentence can refer to acids or metals... There have been one odd instances where 'them' being 'object' should refer to the 'object' if both object and subject have been given.
2) Also 'the same thing' refers to some NOUN, but there is none in the initial clause, same thing' cannot refer to VERB corrode
My Q- Would your Explanation, if further broken down, would mean any of these things.
Did you write the Q keeping the above errors in your mind?
