A. filtered
B. dried
C. decolorized
D. decanted
A. Hydrogen tank
B. Nitrogen tank
C. Oxygen tank
D. None of these
Traffic policemen on duty at busy street crossings during heavy traffic rush hours are advised to use oxygen tanks in developed countries
A. Lother Meyer
B. A.E de Chancourtois
C. Newland
D. Dobereiner
A. oxidation
B. reduction
C. oxidation-reduction
D. all of above represent same entity
A. in silvery mirror
B. in making medicine urotroe
C. in making throat lozenges
D. in making acetic acid
A. synthetic
B. Protein
C. Cellulose
D. Nylon
A. 280
B. 300
C. 154
D. 54