The correct statements are :

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Statement $(a)$ is incorrect because calcination and roasting are typically performed in a reverberatory furnace,not a blast furnace.Statement $(b

Vedclass · Accepted Answer

Both $(b)$ and $(c)$.

Vedclass · Answer

(D) Statement $(a)$ is incorrect because calcination and roasting are typically performed in a reverberatory furnace,not a blast furnace.Statement $(b)$ is correct; the impurities like sand,clay,or rocks present in the ore are known as gangue or matrix.Statement $(c)$ is correct; the froth floatation process is specifically used for the concentration of sulphide ores based on the preferential wetting of the ore particles by oil.Therefore,both $(b)$ and $(c)$ are correct statements.

List-$I$ (Property)	List-$II$ (Element/compound)
$I$. Explosive	$A$. $Cu$
$II$. Self-reduction	$B$. $Fe_3O_4$
$III$. Magnetic material	$C$. $Cu(CH_3COO)_2 \cdot Cu(OH)_2$
$IV$. Verdigris	$D$. $Pb(NO_3)_2$

Similar Questions

Match List-$I$ with List-$II$:

List-$I$ (Property) List-$II$ (Element/compound)

$I$. Explosive $A$. $Cu$

$II$. Self-reduction $B$. $Fe_3O_4$

$III$. Magnetic material $C$. $Cu(CH_3COO)_2 \cdot Cu(OH)_2$

$IV$. Verdigris $D$. $Pb(NO_3)_2$

German silver is an alloy of

Metallurgy is the process of

The process of the extraction of copper from copper pyrites involves:-
$(I)$ Froth floatation $(II)$ Calcination $(III)$ Roasting $(IV)$ Self reduction $(V)$ Smelting $(VI)$ Liquation $(VII)$ Electrorefining

German silver does not contain

Vedclass Test Series

Exam Paper Generator

Online Exam Module