Ore concentration by froth floatation utilises the ______________ of ore particles ?

Question: Glauber’s salt is chemically
[A].

calcium sulphate

[B].

potassium sulphate

[C].

potassium chlorate

[D].

none of these

Answer: Option D

Explanation:

No answer description available for this question.

Question: Cement mainly contains
[A].

CaO, SiO2, Al2O3

[B].

MgO, SiO2, K2O

[C].

Al2O3, MgO, Fe2O3

[D].

CaO, MgO, K2O

Answer: Option A

Explanation:

No answer description available for this question.

Question: Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.
[A].

nickel

[B].

vanadium

[C].

alumina

[D].

iron

Answer: Option B

Explanation:

No answer description available for this question.

Question: Cumene is the starting material for the production of
[A].

benzoic acid

[B].

phenol and acetone

[C].

isoprene

[D].

styrene

Answer: Option B

Explanation:

No answer description available for this question.