Some Basic Concepts Of Chemistry Question 264

Question: What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001]

Options:

A) 22.4 litre

B) 2.016 litre

C) 2.24 litre

D) 20.16 litre

Show Answer

Answer:

Correct Answer: B

Solution:

CaCO310gm,CaO+CO2

90% pure 9gm =9100 mole CaCO3CO2=0.09 mole At NTP Vol. CO2=0.09×22.4=2.016L .



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