Edit Description

Fill up the form and submit

সাদা ভিট্রিয়লের সংকেত-

F e S O_{4} . 7 H_{2} O

Z n S O_{4} . 7 H_{2} O

N a_{2} C O_{3} . 10 H_{2} O

N a_{2} B_{4} O_{7} . 10 H_{2} O

ANSWER : 2

Descrption

Please, login first. click here to login

Cancel Login