1.  Pb

2.  Al

3.  Zn

4.  Hg

4
Correct Answer :

Al


Explanation :
No Explanation available for this question

1.  SnO2,Cu2O

2.  Ag2S,PbCO3

3.  SnO2,PbCO3

4.  FeCO3,PbCO3

4
Correct Answer :

SnO2,PbCO3


Explanation :
No Explanation available for this question

1.  Bauxite

2.  Solomite

3.  Carnallite

4.  Cryolite

4
Correct Answer :

Carnallite


Explanation :
No Explanation available for this question

1.  Magnetite

2.  Siderite

3.  Smithsonite

4.  Lumonite

5.  haematite

5
Correct Answer :

Smithsonite


Explanation :
No Explanation available for this question

1.  Hydride

2.  Chloride

3.  Azide

4.  Carbonyl

4
Correct Answer :

Carbonyl


Explanation :
No Explanation available for this question

1.  Catalyst

2.  Gangue

3.  Flux

4.  Slag

4
Correct Answer :

Flux


Explanation :
No Explanation available for this question

1.  Electrolysing fusedAl2O3and cryolite

2.  By heatingAl2O3with carbon

3.  By heatingAl2O3in Muffle furnace

4.  By a process called pyrometallurgy

4
Correct Answer :

Electrolysing fusedAl2O3and cryolite


Explanation :
No Explanation available for this question

1.  Pyrolusite

2.  Malachite

3.  Diaspore

4.  Diaspore

4
Correct Answer :

Malachite


Explanation :
No Explanation available for this question

1.  Ni

2.  Al

3.  Fe

4.  Cu

4
Correct Answer :

Ni


Explanation :
No Explanation available for this question

1.  Cerussite

2.  Anglesite

3.  Cassiterite

4.  Galena

4
Correct Answer :

Cassiterite


Explanation :
No Explanation available for this question

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