Sodium carbonate is also known as…………
a) washing soda
b) soda ash
c) baking soda
d) both a & b
The chemical formula of sodium carbonate is
a) Na2CO3
b) NaCO3
c) NaCaO
d) NH4
Na2CO3 is commonly occurs as a……………
a) crystalline decahydrate
b) Amphorhpous solid
c) both a & b
d) none of these
………is domestically well known as a water softener.
a) NaCaO
b) NH4OH
c) Na2CO3
d) NaOH
Na2CO3 is produced in large quantities from salt and limestone in a process known as……
a) distillation
b) condensation
c) solvay process
d) granulation
…………..manufacture sodium carbonate by solvay process.
a) Peter Waage
b) Ernest Solvay’s
c) Haber’s
d) Arrhenius
