Kurukshetra University 2007 A.M.I.E.T.E Information Technology Chemistry - Question Paper

V) What substance are used in making urea?


F) i) What is a chemical bond? (1 Marks)
ii) What is chlorine water?(1 Marks)
iii) "A base can be prepared by using base." (1 Marks)
Justify this statement by giving 1 example with balanced formula.

part II

Q- two A) Nitric acid is manufactured by Ostwald's process
i) provide a balanced formula of the reaction in every chamber [5]

provide reasons for the subsequent. [6]
ii) The ammonia air mixture contains a higher ratio of air.
iii)The gases are cool to temperature around 500 c before entering the oxidation chamber.
iv)The absorption tower is filled with quartz , packed in layers.

B) I) Compare the solubility of ammonia and nitrogen gas in water.
ii) provide two general uses of ammonia. [2]

C) Name 1 example of every of the subsequent substances found from chlorine.
i) A polymer or plastic [2]
ii) A disinfectant and germicide.

Q- 3
A) Write equations for every of the subsequent reactions when (4)

i) Water is added to aluminium nitride.
ii) Aq. Potassium hydroxide is added to methylbromide.
iii) Soda lime is added to sodium acetate.
iv) Conc sulphuric acid is added to ethylalcohol at 1700 c

B) discuss the subsequent with suitable examples [4]

i) Pyrolysis or cracking
ii) Polymerisation


B) How would you distinguish metallic sulphate and a sulphide using dil mineral acid ? [2]

Q-4 A) provide a balanced formula and discuss in brief the method involved in the preparation of the subsequent salts. [10]

i) A soluble sodium salt by neutralization.
ii) An insoluble lead salt by precipitation (double decomposition)
iii) A salt by direct combination of elements.
iv) A soluble salt from insoluble copper hydroxide.
v) A soluble salt from an active metal.


B) Differentiate ranging from strong alkali and weak alkali

C) provide 2 uses every of (a) Ethane (b) Acetylene

D) The pressure on 1 mole of a gas at s.t.p is doubled and the temperature raised to 546k. What is the final quantity of gas?


Q-5 A) Distinguish ranging from 'thermal decompostion and thermal dissociation' (2)

B) Name and outline the large scale method of obtaining ammonia and also state the necessary conditions to carry out the process.(5)
C) elaborate isomers ? (1)
D) How is Galvanization done ? (2)


Q six (I) compute the mass of water formed by reduction of 20g of copper
II)Oxide with hydrogen on heating.

CuO +H2O --> Cu +H2O [Cu =63.5, O =16 H=1]

ii)Calculate the mass of nitogen supplied to the soil by five kg's of area [O=16, N=14, C=12, H=1]

iii) compute the wt of substance 'x' which in the gaseous form occupies 10 litres at 270cand 700 mm
pressure. Mol wt of 'x' is 60
iv) A compound of carbon, hydrogen and oxygen contains 40% carbom, 6.7% hydrogen and 53.3% oxygen. If its
V.D. is 30 compute its mol.formula.


Q-7 A) In Hall -Heroult's process of electrolytic reduction of fused alumina-
provide rasons for the subsequent.
i) Electrolytic reduction is difficult to conduct at the fusion temperature of the electrolytic mixture .
ii) Fused cryolite along with calcium fluoride is added to the electrolytic mixture.
iii) Electrolytic reduction of alumina is a continuos process .

B) Starting from aluminium how will you find :
i) Hydrogen using a natural liquid.
ii) Sulphur dioxide using an acid.


C) What property of Al makes it useful for the subsequent purposes.

i) Manufacture of utensils
ii) Manufacture of paints applied to electric poles.

Earning:   Approval pending.