a .`(NH_4)_4CS_3`
b. `CaCS_3`
c. `C_rn_2` ,
d. `H_2 C_3 N_3 O_3`
e. `HCNS`
f. `NH_2CSH_2`
g . `Fe(CNS)_3`
h. `CSCl_22`
i. `Na_2 CS_2`
j. `C_3 O_2`
k.
i.

n. `Na_2 CO_3 . H_2 O 1//2 h_2 O`
o. `Na_2 C_2 O_6`
p. `Na_2 CO_4`
q. `BaCO_4` .

Explanation

(a) Ammonium thiocarbonste
(b) Calcium thiocarbonate
(c ) Cyanogen
(d) Cyamnuric acie
(e) thiocyabic acid
(f) thiourea
(g) Ferric thiocyabnate
(h) Thio-Carnonyl chloride
(i) Sodium thiaocrbonate
Carbon suboxide
(K) Carbonic acie
(I) Permono-carnonic acid
(m) Perdicarbobnic acid
(n) Sodium carbnonate perhyfrate
(o) Sodium pr-di-carbnonate
(p) Sodium premono carnonate
(q) Barium permono carbonate .