States of Matter · JEE Main previous year questions

2018 2 questions

1. Q892018 · 16 Apr 2018 · Shift 1

   Assuming ideal gas behaviour, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is : (Atomic wt. of Cl = 35.5 u)

   1. A.1.46
   2. B.0.46
   3. C.1.64
   4. D.0.64
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   Answer: B

2. Q762018 · 15 Apr 2018 · Shift 1
   
   1. A.$-5\text{kJ}{\text{mol}}^{-1}$
   2. B.$+5\text{kJ}{\text{mol}}^{-1}$
   3. C.$18\text{kJ}{\text{mol}}^{-1}$
   4. D.$-18\text{kJ}{\text{mol}}^{-1}$
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   Answer: B