Add New Description

Fill up the form and submit

ফসজিন এর সংকেত কোনটি ?

C H C 1_{3}

C C 1_{4}

COC1

C O C 1_{2}

C O_{2} C 1_{2}

ANS : 4

Descrption

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

Cancel Login