Highly porous refractory bricks are ____________________?

Question: Catalyst used in the oxidation of benzene to produce maleic anhydride is
[A].

V2O5

[B].

Pt

[C].

Ni

[D].

Cr

Answer: Option A

Explanation:

No answer description available for this question.

Question: Flash point of most vegetable oils is about __________ °C.
[A].

50

[B].

100

[C].

200

[D].

300

Answer: Option C

Explanation:

No answer description available for this question.

Question: Major component of flint glass is
[A].

lead oxide

[B].

silica

[C].

alumina

[D].

soda

Answer: Option A

Explanation:

No answer description available for this question.