The gas used in colour discharge tube is
A.Ar
B.Ne
C.Kr
D.Xe
A.Ar
B.Ne
C.Kr
D.Xe
A.oxidising properties
B.reducing properties
C.basic properties
D.disinfecting properties
A.CaSO4.2H2O
B.CaSO4
C.CaSO4.
D.CaSO4.1
A.CO and H2O
B.CO2 and N2
C.CO and H2
D.CO and N2
A.one coulomb
B.one faraday
C.one ampere
D.one microfaraday
A.Electrolysis cell uses exothermic reactions to produce electrical energy
B.dialysis
C.hydrolysis
D.none of the above
A.H2SO4
B.H2O+SO2
C.SO2
D.SO3
A.NaOH
B.KOH
C.Ca(OH)2
D.CaO
A.Ca(CIO3)2
B.CaCI(OCI)
C.Ca(OCI)2
D.Ca(CIO4)2
A.an oxidation process
B.a reduction process
C.a double decomposition process
D.a hydration process