Ernest Solvay prepared …………….1st time.
a) NaHCO3
b) Na2CO3
c) both a & b
d) none of these
The raw material used in Solvay process is.…
a) lime stone
b) sodium chloride
c) water
d) all of these
In 1st step of Solvay process, a saturated solution of NaCl is prepared called…………..
a) ammonical solution
b) brin solution
c) slaked lime
d) calcination
In Solvay process, calculated amounts of quick lime and water are mixed to produce….
a) Ca(OH)2
b) Mg(OH)2
c) NH4
d) NaHCO3
The chemical formula of slaked lime is..………
a) Mg(OH)2
b) Ca(OH)2
c) NaHCO3
d) NH4Cl
