Describe a suitable laboratory procedure for preparing a sample of zinc tetraoxosulphate VI crystals starting with zinc oxide

Answer 1

I assume you mean ZnSO4 but your naming is screwy and incorrect.
ZnO + H2SO4 ==> HwO + ZnSO4

Answer 2

Zinctetraoxosulphate (iv)

Answer 3

How crystalline zinc tetra oxosulphate vi from metallic zinc

Answer 4

Four full note