A. Pt
B. ZnO + Cr2O3
C. Fe in fused mixture of Al2O3 + SiQ2 + MgO
D. All of the above
Which of the following is the most suitable catalyst for ammonia synthesis ? Read More »
Chemistry Mcqs, Common Chemical Industries A. Cu
B. Cl
C. H
D. Zn
Which of the following is macronutrient ? Read More »
Chemistry Mcqs, Common Chemical Industries A. It enhances plant growth
B. It is involved in the synthesis of protein and nucleic acids
C. it accelerates fruits and flowers growth
D. It is involved in the chlorophyll synthesis
Which of the following is incorrect statement about nitrogen importance ? Read More »
Chemistry Mcqs, Common Chemical Industries A. to dry the moisture of slurry
B. to decompose lime stone to unslaked lime
C. combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
D. to reduce the impurities
The important function of burning zone in the rotary kilm is __________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. 75% lime stone and 25% clay
B. 25% lime stone and 75% clay
C. 15% lime stone and 55% clay
D. 55% lime stone and 15% clay
A. crushing heating mixing grinding
B. crushing mixing heating grinding and mixing
C. crushing grinding mixing heating
D. mixing heating grinding crushing
Which sequence of steps is correct for the manufacture of cement ? Read More »
Chemistry Mcqs, Common Chemical Industries A. Lime (CaO)
B. Silica (SiO2)
C. Alumina (Al2O3)
D. Magnesia (MgO)
A. clay and clinker
B. clay lime stone and gypsum
C. lime stone and gypsum
D. lime stone and clay
Cement is a mixture of________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. 36%
B. 46%
C. 56%
D. 66%
The percentage of nitrogen in urea is________________? Read More »
Chemistry Mcqs, Common Chemical Industries A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2
