Entry Test MCQ :: Basic Concept

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The volume occupied by 2.8 g of N2 at STP

[A].	2.24 dm3	[B].	22.4 dm3
[C].	1.12 dm3	[D].	112 dm3

Answer: Option A

asma usman said:

before me itx real answer is option B so why u correct the option A.....plz tell me....

mohib said:

I m confuse in this mcqs..plz give a detail

Talha Mumtaz said:

answer is right . 1 mole = 28 g N 22.414 of every gas at STP = 1 mole for 1 gram = 22.414/28 for 2.8 gram = 22.414/28 * 2.8 = 22.414/10 = 2.24 dm3