The colour imparted by Co(II) compounds to glass is:

1.  green

2.  deep-blue

3.  yellow

4.  red

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4
Correct Answer :

deep-blue


Explanation :
No Explanation available for this question

The following sequence of reactions of A gives:

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

Among the following L-serine is:

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

A 5% solution (by mass) of cane sugar in water has freezing point of 271 K and freezing point of pure water is 273.15 K. The freezing point of a 5% solution (by mass) of glucose in water is:

1.  271.05 K

2.  273.15 K

3.  269.07 K

4.  278.23 K

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4
Correct Answer :

269.07 K


Explanation :
No Explanation available for this question

Borax is used as cleansing because on dissolving in water it gives:

1.  alkaline solution

2.  acidic solution

3.  bleaching solution

4.  colloidal solution

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4
Correct Answer :

alkaline solution


Explanation :
No Explanation available for this question

Among the following, the species having square planar geometry for central atom are: (i) Xe4 (ii) S4 (iii) [NiCl4]2- (iv) [PtCl4]2-

1.  (i) and (iv)

2.  (i) and (ii)

3.  (ii) and (iii)

4.  (iii) and (iv)

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4
Correct Answer :

(i) and (iv)


Explanation :
No Explanation available for this question

Methyl-a-D-glucoside and methyl-b-D-glucoside are:

1.  epimers

2.  anomers

3.  enantiomers

4.  conformational diastereomers

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4
Correct Answer :

anomers


Explanation :
No Explanation available for this question

The compound molecular in nature in gas phase but ionic in solid state is:

1.  PCl5

2.  CCl4

3.  PCl3

4.  POCl3

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4
Correct Answer :

PCl5


Explanation :
No Explanation available for this question

The pair in which both species have iron is:

1.  nitrogenase, cytochromes

2.  carboxypeptidase, haemoglobin

3.  haemocyanin, nitorogenase

4.  haemoglobin, cytochromes

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4
Correct Answer :

haemoglobin, cytochromes


Explanation :
No Explanation available for this question

The ligands in anti-cancer drug cis-platin are:

1.  NH3, Cl

2.  NH3, H2O

3.  Cl, H2O

4.  NO, Cl

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4
Correct Answer :

NH3, Cl


Explanation :
No Explanation available for this question
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