Add New Description

Fill up the form and submit

কোনটি ইথাইল অ্যামিন?

C H_{3} N H_{2}

C H_{3} C H N H_{2}

C H_{3} C H_{2} N H_{2}

C H_{2} C H_{2} N H_{2}

ANS : 3

Descrption

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

Cancel Login