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.Management Sciences
A. 700 – 1000
B. 300 – 450
C. 1500-1700
D. 100-200
Related Mcqs:
- Catalytic ammonia synthesis reaction as in Haber’s process is_________________?
- A. Endothermic B. Exothermic C. Irreversible D. None of these...
- Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?
- A. Stabilisation B. Increasing the effectiveness C. Improving the strength & heat resistance D. All A, B & C...
- Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?
- A. Reversible B. Catalytic C. Exothermic D. Endothermic...
- Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at ______________ °C?
- A. 250-300 B. 500-750 C. 950-1050 D. 1400-1450...
- Heating of ortho-phosphoric acid to 250°C produces___________________?
- A. Meta-phosphoric acid B. Pyrophosphoric acid C. No change in it D. None of these...
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