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#1 2017-01-31 06:42:23

Ibraheem
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________ is a poisonous gas.

http://interviewquestionsanswers.org/quiz/11th-Class http://interviewquestionsanswers.org/qu … -Chemistry

Question:
________ is a poisonous gas.

Option A):
HCl
Option B):
CH4
Option C):
CO
Option D):
CO2

Correct Answer is Option C):
CO

2017-01-31 06:42:23

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