1.  HgO

2.  HgSO3

3.  HgSO4

4.  Hg

4
Correct Answer :

Hg


Explanation :
No Explanation available for this question

1.  Pure copper

2.  Alloy of copper

3.  Copper containing some impurity

4.  Ore of copper

4
Correct Answer :

Copper containing some impurity


Explanation :
No Explanation available for this question

1.  C

2.  Al

3.  H

4.  CO

4
Correct Answer :

C


Explanation :
No Explanation available for this question

1.  Magnetic separation

2.  Froth floatation

3.  Electrostatic method

4.  Liquation

4
Correct Answer :

Magnetic separation


Explanation :
No Explanation available for this question

1.  Gravity separation

2.  Froth floatation process

3.  Magnetic separation

4.  Liquation

4
Correct Answer :

Froth floatation process


Explanation :
No Explanation available for this question

1.  Van arkel method

2.  Poling

3.  Cupellation

4.  Electrorefinig

4
Correct Answer :

Van arkel method


Explanation :
No Explanation available for this question

1.  Carbone reduction

2.  Hydrogen reduction

3.  Electrolytic reduction

4.  Thermite reduction

4
Correct Answer :

Electrolytic reduction


Explanation :
No Explanation available for this question

1.  CaCO3

2.  Lime

3.  SiO2

4.  CaO

4
Correct Answer :

SiO2


Explanation :
No Explanation available for this question

1.  To remove moisture

2.  To decompose carbonate

3.  To drive off organic matter

4.  All the above

4
Correct Answer :

All the above


Explanation :
No Explanation available for this question

1.  Ti

2.  Zr

3.  V

4.  Mn

4
Correct Answer :

Ti


Explanation :
No Explanation available for this question

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