Add New Description

Fill up the form and submit

কোনটি আলোক সক্রিয়?

H O - C (B r) C l_{2}

C h_{3} - C (C l) (B r) C H_{3}

H O - C (F) (C l) C H_{3}

H O - C (C l)_{2} C H_{3}

C H_{3} - C H_{2} C (F) (B r) (C H_{2}) C H_{3})

ANS : 3

Descrption

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

Cancel Login