Main constituent of phosphate rock is

Question: On being hit with a hammer, __________ will readily fracture.
[A].

brass

[B].

mild steel

[C].

cast iron

[D].

lead

Answer: Option C

Explanation:

No answer description available for this question.

Question: Milligram of KOH required to saponify 1 gm of oil is called its __________ number.
[A].

saponification

[B].

acid

[C].

precipitation

[D].

emulsion

Answer: Option A

Explanation:

No answer description available for this question.

Question: Hydrogen in liquid steels is dissolved
[A].

as tiny gas bubbles.

[B].

in the atomic form.

[C].

in the ionic form.

[D].

in the molecular form.

Answer: Option A

Explanation:

No answer description available for this question.

Question: A colloidal system, in which a liquid is dispersed in gas is called a/an
[A].

gel

[B].

aerosol

[C].

foam

[D].

emulsion

Answer: Option B

Explanation:

No answer description available for this question.