A. Double
B. Same
C. Half
D. Four times
Submitted by: Muhammad Ali Kunbhar
Advertisement
Related Mcqs:
- 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...
- According to Kinetic Molecular Theory gas molecules move in_______path?
- A. Straight B. Parabolic C. Zig-zag D. Hyperbolic Submitted by: Zahid Jagirani...
- 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...
- The kinetic molecular theory of gases was put forward in 1738 by _____________________?
- A. Boltzman B. Maxell C. Clausius D. Bernoulli...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
Advertisement