The HOCl is………..
a) unstable
b) stable
c) both a & b
d) none of these
HOCl produces the ………..
a) atomic hydrogen
b) atomic oxygen
c) both a & b
d) none of these
Atomic oxygen kill the germs by …………
a) oxidation
b) reduction
c) combustion
d) all of these
Wet chlorine act as both a …………
a) bleaching agent
b) insecticide
c) germicide
d) both a & c
When steam is passed over a red-hot carbon a mixture of H2 and ……….. is produced
a) CO2
b) CO
c) NO
d) O
Silicon at very high temperature reacts with steam to form ……….. and hydrogen
a) silicon oxide
b) zinc oxide
c) magnesium oxide
d) calcium oxide
