The volume occupied by 1.4g CO at S.T.P is___________________?

Related Mcqs:

1. 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

2. For a gas where volume and pressures are 1dm3 and 2 atm respectively what should be its new volume when pressure is increased to 6 atm at constant temperature ?

   A. 1/2dm3
   B. 1/3dm3
   C. 1/4dm3
   D. 2/3dm3

3. 24g of an unknown gas occupied 8.4dm3at STP, Identify the gas among the following

   A. SO₃
   B. SO₂ 
   C. C₆H₆
   D. C₃H₈

   Submitted by: Aamir khan Hullio

4. Water absorber used in combustion analysis is___________________?

   A. 50% KOH
   B. Lime water
   C. CaCl2
   D. Mg (CIO4)2

5. Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

   A. one / seventeen
   B. sixteen / seventeen
   C. one / three
   D. two / three

6. For a given process the heat changes at constant pressure (qp) and at constant volume (qv) are related to each other as___________________?

   A. qp = qv
   B. qp < qv
   C. qp > qv
   D. qp = qv / 2

7. Percentage of calcium in calcium carbonate is___________________?

   A. 80%
   B. 30%
   C. 40%
   D. 20%

8. When electron jump into orbit 1 then series obtained is___________________?

   A. Lyman
   B. Paschen
   C. Pfund
   D. Brackett

9. Nitronium ion is___________________?

   A. NO3
   B. NO
   C. NO2-
   D. NO2+

10. Allotropic form of phosphorus that is poisonous is___________________?

    A. White
    B. Red
    C. Black
    D. Violet