H2SO4 (< 50% concentration) is corrosive to

Question: H2SO4 (< 50% concentration) is corrosive to
[A].

aluminium, mild steel, stainless steel, concrete & tin.

[B].

copper, cast iron & high silicon iron (14% Si).

[C].

rubber (butyl and hard), silicone rubber & teflon.

[D].

glass, graphite, porcelain & stoneware.

Answer: Option A

Explanation:

No answer description available for this question.

Mild steel is

Question: Mild steel is
[A].

a low carbon steel (0.05 to 0.3% carbon).

[B].

highly resistant to corrosion (as much as stainless steel).

[C].

a high carbon steel (0.5 to 1.5% carbon).

[D].

very poor in strength & ductility.

Answer: Option A

Explanation:

No answer description available for this question.