Add New Description

Fill up the form and submit

Question

কোনটি বিজারক?

K₂Cr₂O₇

PbO₂

KMnO₄

Na₂S₂O₃

ANS : 4

Descrption

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

Cancel Login

©2024 SATT ACADEMY. All rights reserved.