1.

*$_Oleum produces fumes of?

A. SO‚ÇÇ
B. H‚ÇÇSO‚ÇÑ
C. SO‚ÇÉ
D. SO‚ÇÇ + H‚ÇÇSO‚ÇÑ
Answer» D. SO‚Äö√á√á + H‚Äö√á√áSO‚Äö√á√ë


Discussion

No Comment Found