A. FeS2
B. HgS
C. PbS
D. ZnS
Chemical composition of cinnabar is____________________? Read More »
Diagnostic Test A. Lubricant
B. Water repellent film
C. Rubber sheet
D. Medicine
Which one is not the use of silicones________________________? Read More »
Diagnostic Test A. Mg > Sr
B. Ba > Mg
C. Lu > Ce
D. CI > 1
Keeping in view the size of atom which is in correct order___________________? Read More »
Diagnostic Test A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
A. Reduction occurs at anode
B. K+ ion transfer from salt bridge to left beaker of ZnSO4
C. Oxidation occurs at cathode
D. Anode is negatively charged
Which is true about Zn-Cu galvanic cell ? Read More »
Chemistry Mcqs, Diagnostic Test A. Oxidation potential
B. Redox potential
C. e.m.f of cell
D. standard reduction potential
Stronger is the oxidizing agent greater is the___________________? Read More »
Chemistry Mcqs, Diagnostic Test A. 8
B. 5.1
C. 6
D. one/fifty one
A. N2+3H2 2NH3
B. H2+I2 2HI
C. 2NO2 N2H4
D. PCI5 PCI3+CI2
A. X – ray diffraction
B. Spectrophotometer
C. Optical microscope
D. Electron microscope
Atomic radius can be determined by_________________? Read More »
Chemistry Mcqs, Diagnostic Test A. Plancks theory
B. Dual nature of matter
C. Heisenbergs uncertainty principle
D. All of these
Bohrs model is contradicted by__________________? Read More »
Chemistry Mcqs, Diagnostic Test