Which is called aquafortis

1.  HNO3

2.  H2N2O2

3.  HNO4

4.  HNO2

View Answer  
4
Correct Answer :

HNO3


Explanation :
No Explanation available for this question

One of the nitrogen oxide is called laughing gas,in that the oxidation state of nitrogen in

1.  +1

2.  +4

3.  +3

4.  +2

View Answer  
4
Correct Answer :

+1


Explanation :
No Explanation available for this question

The ratio of P-O-P bond in P4O6 and in P4O10 is

1.  1:2

2.  3:2

3.  2:3

4.  1:1

View Answer  
4
Correct Answer :

1:1


Explanation :
No Explanation available for this question

The Chemical reaction between NaS2O3 and I2 leads to the formation of

1.  Na2S4O6+NaI

2.  Na2SO3+Nal+H2O

3.  Na2SO4+Nal+H2O

4.  Na2S+Nal+H2S

View Answer  
4
Correct Answer :

Na2S4O6+NaI


Explanation :
No Explanation available for this question

Which of the following brings about dry bleaching

1.  Hydrogen peroxide

2.  Sulphur dioxide

3.  Chlorine

4.  Ozone

View Answer  
4
Correct Answer :

Ozone


Explanation :
No Explanation available for this question

The following is a reversible reaction

1.  KClO3 heated in a sealed tube

2.  Na2CO3 heated in a closed vessel

3.  CaCO3 heated in a closed vessel

4.  CH4 heated with excess of O2 in a closed vessel

View Answer  
4
Correct Answer :

CaCO3 heated in a closed vessel


Explanation :
No Explanation available for this question

The molar concentrations of A,B and C at equilibrium for the reaction A+2B⇔3C are 2,3 and 4 moles/lit respectively.Its Kc is

1.  2

2.  3.56

3.  0.2

4.  0.026

View Answer  
4
Correct Answer :

3.56


Explanation :
No Explanation available for this question

HCl+H2OH3O++Cl- A Conjugate base of HCl is Cl-

1.  A and B are correct

2.  A and C are correct

3.  All are correct

4.  C and D are correct

View Answer  
4
Correct Answer :

A and B are correct


Explanation :
No Explanation available for this question

The active mass of 5.6 litres of O2 at STP is

1.  5.6/22.4

2.  8/5.6

3.  32/5.6

4.  0.25/5.6

View Answer  
4
Correct Answer :

0.25/5.6


Explanation :
No Explanation available for this question

The equilibrium constant for the reaction H2(g)+I2(g)⇔2HI(g) is 81 at a certain temperature.If the concentrations of H2 and I2 are 3mole.lit each at equilibrium,the equilibrium

1.  3 mole/lit

2.  27 mole/lit

3.  9 mole/lit

4.  13.5 mole/lit

View Answer  
4
Correct Answer :

27 mole/lit


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python