Which of the following metals in not used for coating of the base metal to guard it against corrosion ?

Question: Glass is corroded by
[A].

fluorine (dry or wet)

[B].

sulphuric acid

[C].

phosphoric acid

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Coke oven walls are lined with __________ bricks.
[A].

silica

[B].

tar-dolomite

[C].

low thermal conductivity

[D].

fire clay

Answer: Option A

Explanation:

No answer description available for this question.