Add New Description

Fill up the form and submit

ডলোমাইটের সংকেত কোনটি?

M g S O_{4} . 7 H_{2} O

C a S O_{4} . 2 H_{2} O

C a F_{2}

M g C O_{3} . C a C O_{3}

ANS : 4

Descrption

To add a description please, login first. click here to login

Cancel Login