In which compound nitrogen has maximum oxidation state____________________?
A. N2O
B. NO2
C. HNO2
D. HNO3
Chemistry Mcqs
Oxygen does not react with all except_________________?
Oxygen does not react with all except_________________?
A. Alkali
B. Acid
C. Water
D. Metals
FeSO4 forms brown ring with________________?
FeSO4 forms brown ring with________________?
A. N2O3
B. NO2
C. NO
D. N2O
The gas which cannot be dried by conc. H2SO4 ?
The gas which cannot be dried by conc. H2SO4 ?
A. SO2
B. H2S
C. CO2
D. C2H4
Which of the elements show passivity when treated with conc. HNO3?
Which of the elements show passivity when treated with conc. HNO3?
A. Fe
B. A
C. Cr
D. All of the above
The element of group VIA which is a non-metal is________________?
The element of group VIA which is a non-metal is________________?
A. S
B. Se
C. Te
D. Po
Which one of the following compounds usually smells like garlic ?
Which one of the following compounds usually smells like garlic ?
A. P2O3
B. P2O5
C. H3PO3
D. All have same smell
The composition of brown ring in nitrate test is_________________?
The composition of brown ring in nitrate test is_________________?
A. FeSO4.No
B. FeSO4.No2
C. FeSO4.No3
D. FeSO4.N2o
Which one of the following is not the use of graphite ?
Which one of the following is not the use of graphite ?
A. Lead pencils
B. Abrasive
C. Lubricant
D. Electrode of electrolytic cell
Which of the following does not contain phosphorus ?
Which of the following does not contain phosphorus ?
A. Yolk of egg
B. Bone
C. Nerves
D. Steel