100% H‚Äö√á√áSO‚Äö√á√ë at 30¬¨‚àûC can't be stored in a vessel made/lined with$?

Cast iron and high silicon iron

100% H‚Äö√á√áSO‚Äö√á√ë at 30¬¨‚àûC can't be

1.	100% H‚Äö√á√áSO‚Äö√á√ë at 30¬¨‚àûC can't be stored in a vessel made/lined with$?
A.	Cast iron and high silicon iron
B.	Mild steel and stainless steel
C.	Aluminium, tin and rubber
D.	Teflon, glass and porcelain
Answer» D. Teflon, glass and porcelain