|
An equilibrium mixture at 300 K
|
|
1
|
2185
|
December 20, 2016
|
|
Reaction between ${{N}_{2}}$ and ${{O}_{2}}$ takes place as
|
|
1
|
712
|
December 20, 2016
|
|
What is the initial effect of change on vapour pressure?
|
|
1
|
1916
|
December 20, 2016
|
|
Dihydrogen gas used in Haber's process is produced by reacting methane from natural gas
|
|
1
|
2135
|
December 20, 2016
|
|
A sample of HI(g) is placed in flask at a pressure of 0.2 atm
|
|
1
|
9418
|
December 20, 2016
|
|
Which of the following reactions
|
|
1
|
896
|
December 20, 2016
|
|
Complete the following chemical reactions
|
|
1
|
2801
|
December 20, 2016
|
|
Give ion electron equations for the following reactions
|
|
1
|
2147
|
December 20, 2016
|
|
Scientist of UK have invented the cars working on hydrogen fuel cells instead of petrol engines
|
|
1
|
775
|
December 20, 2016
|
|
What are the advantages in using hydrogen as a fuel?
|
|
0
|
1991
|
December 20, 2016
|
|
Calculate the volume strength of a 3% solution of $H_{ 2 }$$O_{ 2 }$
|
|
0
|
1824
|
December 20, 2016
|
|
Basic principle of hydrogen economy is transportation and storage of energy in the form of liquid or gaseous hydrogen
|
|
1
|
2392
|
December 20, 2016
|
|
Statues coated with white lead on long exposure to atmosphere
|
|
1
|
731
|
December 20, 2016
|
|
Why can dilute solutions of hydrogen peroxide not be concentrated by heating
|
|
1
|
2446
|
December 20, 2016
|
|
What do you expect the nature of hydrides is
|
|
1
|
1509
|
December 20, 2016
|
|
Describe the usefulness of water in biosphere and biological systems
|
|
0
|
2043
|
December 20, 2016
|
|
What properties of water make it useful as a solvent? What type of compounds can it
|
|
1
|
5052
|
December 20, 2016
|
|
How do you expect the metallic hydrides to be useful for hydrogen storage? Explain
|
|
0
|
1734
|
December 20, 2016
|
|
Among $NH _{3 }$, $H _{ 2 }O$ and HF
|
|
1
|
607
|
December 20, 2016
|
|
What characteristics do you expect from an electron-deficient hydride with respect to its structure and chemical reactions?
|
|
0
|
3867
|
December 20, 2016
|
|
What do you understand by the term 'syn gas'?
|
|
1
|
1107
|
December 20, 2016
|
|
Describe the industrial applications of hydrogen dependent on
|
|
1
|
2913
|
December 20, 2016
|
|
How is dihydrogen obtained from
|
|
1
|
1791
|
December 20, 2016
|
|
How does the atomic hydrogen or oxy-hydrogen torch function for cutting and welding purposes? Explain
|
|
0
|
1553
|
December 20, 2016
|
|
Atomic hydrogen combines with almost all elements but molecular hydrogen does not. Explain
|
|
0
|
643
|
December 20, 2016
|
|
Hydrogen generally forms covalent compounds. Give reason?
|
|
0
|
3503
|
December 20, 2016
|
|
What happens when magnesium is burnt in air
|
|
1
|
6105
|
December 20, 2016
|
|
Present a comparative account of the alkali and alkaline earth with respect to the following characteristics
|
|
1
|
2344
|
December 20, 2016
|
|
Compare alkali metals and alkaline earth metals with respect to
|
|
1
|
2218
|
December 20, 2016
|
|
The hydroxides and carbonates of sodium and potassium
|
|
1
|
1776
|
December 20, 2016
|