_____________ is used as a catalyst in fat splitting ?
A. ZnO
B. Ni
C. V2O5
D. FeO
Month: February 2019
Trinitrotoluene (TNT), an explosive, is made by the nitration of ____________________?
Trinitrotoluene (TNT), an explosive, is made by the nitration of ____________________?
A. Nitrobenzene
B. Toluene
C. Nitrotoluene
D. Benzene
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide________________?
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide________________?
A. Increases
B. Increases linearly
C. Decreases
D. Decreases linearly
Coal tar is used as a___________________?
Coal tar is used as a___________________?
A. Binding material for coal briquettes
B. Fuel in rotary kiln
C. Binder in making carbon electrodes
D. All A , B. and C.
Comparing sulphate process with sulphite process, we find that ______________ in the later ?
Comparing sulphate process with sulphite process, we find that ______________ in the later ?
A. Both temperature & pressure in the former is less than that
B. Both temperature & pressure in the former is more than that
C. Temperature is more in the former whereas pressure is more
D. Pressure is more in the former whereas temperature is less
Litharge is________________?
Litharge is________________?
A. Lead oxide
B. Zinc oxide
C. Zinc sulphide
D. Cellulosic photographic material
Dacron is a/an _________________?
Dacron is a/an _________________?
A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer
Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?
Brackish water which contains mostly dissolved salt, can be purified by the __________________ process?
A. Reverse osmosis
B. Sand filter
C. Lime soda
D. Permutit
High acid value of an oil or fat is an indication of _____________________?
High acid value of an oil or fat is an indication of _____________________?
A. Storage under improper conditions
B. Absence of unsaturation
C. Its smaller molecular weight
D. None of these
What inspired reflecting road lights to be invented?
What inspired reflecting road lights to be invented?
A. Car door reflecting mirrors
B. The light a cat’s eyes gave off on a fence
C. Sun light on steel posts on road sides
D. The sun light on the windshield