Sulphur melting pit in the sulphuric acid plant is made of__________________?

Question: Invar contains the highest percentage of
[A].

vanadium

[B].

iron

[C].

tungsten

[D].

cobalt

Answer: Option B

Explanation:

No answer description available for this question.

Question: Percentage of silver in German silver is
[A].

5

[B].

10

[C].

20

[D].

0

Answer: Option D

Explanation:

No answer description available for this question.

Question: Perspex is nothing but
[A].

acrylic sheet

[B].

an elastomer

[C].

an alloy of lead and tin

[D].

aluminium foil clad with bakelite

Answer: Option A

Explanation:

No answer description available for this question.