Major cause of SO2 on global scale is__________________?
Major cause of SO2 on global scale is__________________?
A. volcanoes
B. electric sparks
C. combustion
D. all
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The most powerful oxidizing agent among the halogens is__________________?
The most powerful oxidizing agent among the halogens is__________________?A. F2
B. Cl2
C. Br2
D. I2The number of moles of CO2 which contains 16 g of oxygen is__________________?
The number of moles of CO2 which contains 16 g of oxygen is__________________?A. 0.25
B. 0.5
C. 0.75
D. 1FeSO4 forms brown ring with________________?
FeSO4 forms brown ring with________________?A. N2O3
B. NO2
C. NO
D. N2OThe coloured glassy mass in borax bead test is due to the formation of___________________?
The coloured glassy mass in borax bead test is due to the formation of___________________?A. metal borate
B. metal meta borate
C. metal boride
D. metal silicateGeometry of the complex compounds usually depends upon __________________?
Geometry of the complex compounds usually depends upon __________________?A. type of ligands
B. types of hybridization in the elements of ligands
C. hybridization of central metal
D. All of aboveWhich has maximum oxidation number ?
Which has maximum oxidation number ?A. N
B. Cr
C. S
D. Mn