In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.

Question: Closeness of packing is maximum in case of __________ crystal lattice.
[A].

face centred

[B].

simple cubic

[C].

body centred

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Ceramic tips for the cutting tool are prepared from __________ powder.
[A].

carbon

[B].

silicon carbide

[C].

aluminium oxide

[D].

tungsten

Answer: Option C

Explanation:

No answer description available for this question.

Question: A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is
[A].

lead

[B].

glass

[C].

mica

[D].

silver

Answer: Option A

Explanation:

No answer description available for this question.