A. KOH
B. NH3
C. PH3
D. BF3
Related Mcqs:
- When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which of the following will not change the concentration of ammonia at the equilibrium ?
A. Increase of pressure
B. Increase of volume
C. Addition of catalyst
D. Decrease of temperature - Which one of the following aqueous solutions will be basic ?
A. NaCI
B. Na2SO4
C. Na2CO3
D. FeCl3 - Which one of the following is a buffer solution ?
A. brine
B. blood
C. glue
D. solution of CuSO4 - In which of the following equilibria will Kc and Kp have the same value ?
A. PCI5 = PCI3 + Cl2
B. N2 + 3H2 = 2NH
C. 2CO + O2 = CO2
D. N2 + O2 = 2NO - Which of the following can be used in laptops ?
A. Silver oxide battery
B. Fuel cell
C. Nickel cadmium cell
D. Lead accumulator - Which of the following cell is not rechargeable ?
A. Lead storage battery
B. Silver oxide cell
C. Fuel cell
D. Ni-Cd cell - Which of the following is the most suitable catalyst for ammonia synthesis ?
A. Pt
B. ZnO + Cr2O3
C. Fe in fused mixture of Al2O3 + SiQ2 + MgO
D. All of the above - Which of the following aldehydes shows rapid reaction with sodium nitroprusside ?
A. formaldehyde
B. accetaldehyde
C. benzaldehyde
D. acetone - Which of the following is used with milk of lime to kill fungus and molds?
A. Chlorine
B. Silver nitrate
C. Copper Sulfate
D. Nitric acidSubmitted by: Muhammad Kamal
