A. endothermic
B. exothermic
C. both a and b
D. no heat energy is involved
Related Mcqs:
- Urea as a fertilizer contains:____________?
A. 57% N
B. 73% N
C. 46% N
D. 53% NSubmitted by: TAHREEM RAJPOOT
- The addition of a catalyst to the reaction system__________________?
A. Increases the rate of forward reaction only
B. Increases the rate of reverse reaction
C. Increases the rate of forward but decreases the rate of backward reaction
D. Increases the rate of forward as well as backward reaction equally - Which of the following will not give addition reaction with NaHSO3________________?
A. HCHO
B. CH3CHO
C. CH3-CH2-CHO
D. None of the above - The cooling of molten urea by air in the tower is called______________________?
A. prilling
B. evaporation
C. condensation
D. crystallization - Which one of the following set of raw material is most suitable for manufacture of urea ?
A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2 - The percentage of nitrogen in urea is________________?
A. 36%
B. 46%
C. 56%
D. 66% - Which one of the following statement is correct for urea ?
A. it is a synthetic fertilizer
B. it is a natural fertilizer
C. it provides micronutrients to the plants
D. it is an inorganic water soluble compound - The gas used in manufacturing of urea fertilizer__________________?
A. C2H6
B. C2H4
C. C2H2
D. CH4 - Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?
A. Cl2O
B. ClO2
C. Cl2O6
D. Cl2O7 - What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?
A. Zero
B. One
C. Two
D. Three