Q: Which one of the following statements is NOT correct?
(a)Half mole of nitrogen gas is measured 11.2 litre at STP
(b)17 gram of ammonia gas contains 6.022 × 10²³ molecules at STP
(c)22.4 litre of CO₂ gas at STP contains 44 gram of molecules
(d)4 gram of hydrogen gas contains 6.022 × 10²³ molecules
Correct Answer: (d)
The correct answer is (d): 4 ग्राम हाइड्रोजन गैस में 6·022 × 10²³ अणु होते हैं. Subject: General Studies | Sub-topic: Miscellaneous