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When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes

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When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 11 Jan 2018, 00:04
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Difficulty:

  75% (hard)

Question Stats:

50% (01:33) correct 50% (01:31) wrong based on 105 sessions

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When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" by use of several different experimental designs.

A When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" by use of

B
The chemist Amedeo Avogadro (1776 – 1856), positing that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could not be ever measured, while in the early 20th century, Perrin measured the value of "Avogadro's number" using

C
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, but many scientists doubted that, even if this theory is true, the number could never be measured, but in the early 20th century, Perrin has measured the value of "Avogadro's number" by use of

D
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" using

E
The chemist Amedeo Avogadro (1776 – 1856), posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, although many scientists doubted that, even if this theory were true, the number could be ever measured, then in the early 20th century, Perrin, measuring the value of "Avogadro's number" by use of

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[Reveal] Spoiler: OA

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 12 Jan 2018, 11:53
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I could not choose between C and D
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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 12 Jan 2018, 16:44
Is it just me, or is it normal for this question to take 2 mins?

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 12 Jan 2018, 16:46
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devikeerthansr wrote:
I could not choose between C and D


From my understanding, the phrase “by use of” is too wordy. Choice D corrects it.

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 12 Jan 2018, 22:25
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C
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, but many scientists doubted that, even if this theory is true, the number could never be measured, but in the early 20th century, Perrin has measured the value of "Avogadro's number" by use of The tense of the verb in the second portion of this sentence incorrectly refers to a past event by using "has measured" instead of the simple past : "measured"

D
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could ever be measured,
but in the early 20th century, Perrin measured the value of "Avogadro's number" using
The tense of the verb in the second portion of this sentence refer correctly to a past event by using the past tense: measured

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 13 Jan 2018, 05:08
A - incorrect because of the structure of the sentence.
B - incorrect. Positing is incorrect here.
C - incorrect. The number could "never" be measured and "by the use of" is incorrect here.
D - correct.
E - incorrect. Although, then, by the use of is incorrect here.

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 13 Jan 2018, 11:30
When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" by use of several different experimental designs.

A When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, containing equal numbers of molecules, and many scientists, doubting that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" by use of-The subject Equal volumes has no verb. Thus this option is a fragment

B
The chemist Amedeo Avogadro (1776 – 1856), positing that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could not be ever measured, while in the early 20th century, Perrin measured the value of "Avogadro's number" using-This choice is again a fragment because subject Amedeo has no verb.

C
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, but many scientists doubted that, even if this theory is true, the number could never be measured, but in the early 20th century, Perrin has measured the value of "Avogadro's number" by use of-This choice has tense error. Perrin has measured is wrong no need of present perfect. The correct tense is simple past.

D
The chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, and many scientists doubted that, even if this theory were true, the number could ever be measured, but in the early 20th century, Perrin measured the value of "Avogadro's number" using-Correcto !

E
The chemist Amedeo Avogadro (1776 – 1856), posited that equal volumes of different gases, at the same temperature and pressure, would contain equal numbers of molecules, although many scientists doubted that, even if this theory were true, the number could be ever measured, then in the early 20th century, Perrin, measuring the value of "Avogadro's number" by use of-This choice again has subject-verb agreement error. In Last sentence" Perrin measuring the value" there is no verb for subject Perrin
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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 13 Jan 2018, 11:58
devikeerthansr, problem with C is the tense in if...then... and the present perfect
syedazeem3, the question is quite long, and quite hard, it is fine to spend 2 min on this question as long as you get the right answer.

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes [#permalink]

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New post 17 Jan 2018, 22:30
syedazeem3 wrote:
Is it just me, or is it normal for this question to take 2 mins?

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I took < 3 mins and got it wrong. Dont be discouraged.

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Re: When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes   [#permalink] 17 Jan 2018, 22:30
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When chemist Amedeo Avogadro (1776 – 1856) posited that equal volumes

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