Polythene (low or high density) containers are not corroded by___________________?

Question: Copper is dissolved from its ore by H2SO4 in a percolation tank made of
[A].

wood

[B].

stainless steel

[C].

reinforced concrete lined with lead

[D].

high silicon iron (14% Si)

Answer: Option C

Explanation:

No answer description available for this question.

Question: Monel metal is an alloy of
[A].

molybdenum and nickel.

[B].

nickel and copper.

[C].

molybdenum and aluminium.

[D].

molybdenum and zinc.

Answer: Option B

Explanation:

No answer description available for this question.

Question: Out of the following, copper vessels are the most suitable for the storage of
[A].

bromine.

[B].

dry chlorine & dry fluorine.

[C].

nitric acid (95% and fuming).

[D].

phosphoric acid (95%) & sulphuric acid (95% and fuming).

Answer: Option B

Explanation:

No answer description available for this question.