The reaction that gives CO2 as one of the products is

1.  Fe2O3 + 3C

2.  3C + 4HNO3

3.  SnO2+2C→

4.  6NaOH + 2C→

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4
Correct Answer :

3C + 4HNO3


Explanation :
No Explanation available for this question

An oxide of nitrogen (X) is formed when Z is reacted with P2O5. X is soluble in water and gives Z. which one of the following is Z

1.  HNO3

2.  H2N2O2

3.  HNO2

4.  HN3

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4
Correct Answer :

HNO3


Explanation :
No Explanation available for this question

Which reaction produces SO2

1.  2Na2S5 + 3O2

2.  Na2S2O3 + S

3.  Na2S2O3 + Cl2+H2O→

4.  Na2S2O3+ 2Hcl→

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4
Correct Answer :

Na2S2O3 + Cl2+H2O→


Explanation :
No Explanation available for this question

In the electrolysis of alumina using cryolite, the reaction that takes place at cathode is

1.  12F-→6F2+12e-

2.  4H2O+4e-→2H2+4OH-

3.  6F2 + 2Al2O3→4AlF3+3O2

4.  4Al3+ + 12e-→4Al

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4
Correct Answer :

4Al3+ + 12e-→4Al


Explanation :
No Explanation available for this question

The pair of chemicals that maintain heat balance in troposphere are

1.  H2O,NOØ

2.  CO2,O2

3.  O,O3

4.  N2,O2

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4
Correct Answer :

N2,O2


Explanation :
No Explanation available for this question

The stationary phase in paper chromatography is

1.  paper

2.  solid

3.  water

4.  organic solvent

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4
Correct Answer :

water


Explanation :
No Explanation available for this question

The energy difference (in Kcal mol-1) between the staggered and eclipsed conformations of ethane is

1.  1.5

2.  2.9

3.  3.6

4.  2.0

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4
Correct Answer :

2.9


Explanation :
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Identify A,B and C in the following reactions

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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What is the correct Fischer projection of (R) 2-hydroxy propanic acid

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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From the following dipole moment (in debye) values of methyl halides, identify the value of CH3-F.

1.  1:860

2.  1:636

3.  1:830

4.  1:847

View Answer  
4
Correct Answer :

1:847


Explanation :
No Explanation available for this question
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