Add New Description

Fill up the form and submit

নিচের কোনটি ‘oxidation-reduction reaction’?

C a C O_{3} \to C a O + C O_{2}

N a C l + A g N O_{3} \to N a N O_{3} + A g C l

H F + K O H \to K F + H_{2} O

2 H_{2} S + S O_{2} \to 2 H_{2} O + 3 S

ANS : 4

Descrption

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

Cancel Login