Pls give the answer of 16 , 18 , 19 - Chemistry - Chemical Bonding

Question

Pls give the answer of 16 , 18 , 19

Goutam Pradhan · Accepted Answer

Dear Student,
Q16: b) Cathode is made of an iron spoon
Q17: a) Pale blue- Cu+2(aq) +
NH4OH →Cu(OH)2(s) +
NH4+(aq)
Q18: b) Zn(s) + 2NaOH(aq) →
Na2ZnO2(aq) +
H2O(l)
(Sodium Zincate)
Q19: b) Electrolytic dissociation is the
dissociation of an electrovalent compound into ions in the fused
state or in an aqueous solution

Regards

Pls give the answer of 16 , 18 , 19....