Conversion of CO to CO2 by steam in presence of a catalyst is called__________________?

Related Mcqs:

1. Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?

   A. 15-30 B. 90-100 C. 250-300 D. < 0...

2. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?

   A. Carbon B. Arsenic C. Lead D. Sulphur...

3. Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?

   A. Nickel B. Vanadium C. Alumina D. Iron...

4. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at __________________?

   A. 1 atm & 100°C B. 5 atm & 275°C C. 100 atm & 500°C D. 50 atm & 1000°C...

5. In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 ⇌ 2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by ?

   A. Increasing the oxygen concentration B. Putting more quantity of V2O5 catalyst in the converter C. Removing some quantity of SO3 during intermediate stage D. Maintaining low temperature & pressure in the converter...

6. The combustion reaction, C + O2 = CO2, is__________________?

   A. Exothermic B. Endothermic C. Autocatalytic D. None of these...

7. Dry ice (solidified CO2) is used for the___________________?

   A. Storage & shipment of frozen foods and ice-creams B. Liquefaction of permanent gases C. Liquefaction of natural gas D. None of these...

8. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?

   A. V2O5 & Cr2O3. B. Oxides of nitrogen & Cr2O3 C. V2O5 on a porous carrier & oxides of nitrogen D. Oxides of nitrogen & V2O5 on a porous carrier...

9. Catalyst used in the hydrogenation of oil is_________________?

   A. Nickel B. Platinum C. Iron D. Alumina...

10. A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?

    A. Substrate B. Enzyme C. Nutrient D. None of these...