In a closed vessel, a gas is heated from 300K to 600 K. The kinetic energy becomes__________?

Related Mcqs:

1. For a given mass of a gas at constant temperature, if the value V becomes 3 times, the pressure will becomes__________?

   A. 3P
   B. P/3
   C. 3P/T
   D. 6P

   Submitted by: Muhammad Ali Kunbhar

2. According to Kinetic Molecular Theory gas molecules move in_______path?

   A. Straight
   B. Parabolic
   C. Zig-zag
   D. Hyperbolic

   Submitted by: Zahid Jagirani

3. Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?

   A. methanol
   B. methanol
   C. carbonic acid
   D. methane

4. The kinetic molecular theory of gases was put forward in 1738 by _____________________?

   A. Boltzman
   B. Maxell
   C. Clausius
   D. Bernoulli

5. In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?

   A. CaO+ SiO2——> CaSiO3
   B. 2FeS+3O2——–> 2Fe+ SO2
   C. FeSiO3———> FeSiO3
   D. Fe2O3+ 3CO——–> 2Fe+ 3CO2

   Submitted by: Muhammad Ali Kunbhar

6. Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

   A. Smaller electronegativity of alkali metals
   B. Smaller ionic radius of these metals
   C. De-excitation of electrons from higher energy levels to low energy level
   D. Excitation of electrons from low energy levels to higher energy levels

7. How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?

   A. Two
   B. Three
   C. Four
   D. Six

8. When phenol is heated with concentrated nitric acid the product is________________?

   A. Picric acid
   B. o-nitrophenol
   C. 1 3 5 -trinitro benzene
   D. p-nitrophenol

9. If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?

   A. Annealing
   B. Quenching
   C. Tempering
   D. Nitriding

   Submitted by: Muhammad Ali Kunbhar

10. The snow on the mountains does NOT melt all at once when it is heated by the sun because:

    A. it becomes very hard
    B. it reflects most of the heat from the sun
    C. it has a low specific heat capacity
    D. it has a high latent heat of fusion

    Submitted by: Abid Hussain