1.  Gypsum

2.  Dolomite

3.  Magnesite

4.  Carnallite

4
Correct Answer :

Gypsum


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  Acetone and formaldehyde

2.  2 – Pentanone

3.  3 – Pentanone

4.  2 – Butanone

4
Correct Answer :

3 – Pentanone


Explanation :
No Explanation available for this question

1.  Flux

2.  slag

3.  Ore

4.  Catalyst

4
Correct Answer :

Flux


Explanation :
No Explanation available for this question

1.  CH3CHO

2.  CH3CO CH3

3.  

4.  (CH3)2CHCHO

4
Correct Answer :


Explanation :
No Explanation available for this question

1.  Butan - 1 – ol

2.  Butane

3.  But - 2 - en-1 – ol

4.  Butanal

4
Correct Answer :

But - 2 - en-1 – ol


Explanation :
No Explanation available for this question

1.  Highly electronegative elements

2.  Metalloids

3.  Transition metals

4.  Highly electropositive elements

4
Correct Answer :

Highly electropositive elements


Explanation :
No Explanation available for this question

1.  Cu and Pb

2.  Zn and Hg

3.  Cu and Al

4.  Fe and Pb

4
Correct Answer :

Cu and Pb


Explanation :
No Explanation available for this question

1.  Calination

2.  Roasting

3.  Smelting

4.  None of these

4
Correct Answer :

Calination


Explanation :
No Explanation available for this question

1.  Malachite

2.  Azurite

3.  Copper glance

4.  Cuprite

4
Correct Answer :

Copper glance


Explanation :
No Explanation available for this question

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