Kurukshetra University 2007 A.M.I.E.T.E Information Technology Chemistry - exam paper

part I
Q - one [A] ans the ques. beneath relating your answers from the list of substances provided beneath. [10]

Na, Agu, C2H5OH, CH4, Na2CO3,

SO3, H2SO4, CS2, NH4NO3, FeCl3

(i) An alcohol generally used for drinking purpose.
(ii) A substance deliquescent in nature.
(iii) A green house gas.
(iv) An insoluble chloride
(v) A substance on heating produce laughing gas
(vi) A solvent for dissolving sulphur
(vii) A hygroscopic substance.
(viii) A substance efflorescent in nature.
(ix) A silvery white soft metal which is kept in Kerosene oil.
(x) A gas dissolves in water with hissing noise and produce an acid moist.

[B] State the property illustrated by every of the underline substance when they react as shown beneath.
provide a balanced formula for every of the reactions taking place. [10]

1. Copper (II) oxide and dilute hydrochloric acid.
2. Copper (II) oxide and concentrated hydrochloric acid.
3. Chlorine and slaked line.
4. Bleaching powder and Cobalt chloride.
5. Concentrated sulphuric acid and common salt.

[C] provide 1 chemical test to distinguish ranging from [5]
i) Dilute sulphuric acid and dilute hydrochloric acid
ii) Lead nitrate and copper nitrate.
iii) Ammonium nitrate and zinc nitrate.
iv) Lead oxide and copper oxide.

[D] (I) Distinguish ranging from 'nascent chlorine' and 'available chlorine'. [2]
ii) Name the alloy which contains - [3]
1. Zinc and Copper
2. Lead, Zinc and antimony
3. Copper and Zinc

[E] I) State : a) Avogadro's legal regulations b) Boyle's legal regulations [2]
ii) choose the accurate answers and show the working wherever needed. [8]


1. The quantity of 20g of H2 at s.t.p is : a) 224 litres b) 22.4 litres c) 2.24
litres d) 112 litres.

2. The quantity of 6.4 g of SO2 at s.t.p is : a)22.4 litres b)22.4 litres
c) 2.24 litres.

3.When 200 ml of a GAO at constant pressure is heated from 00 c to 1000 c
the quantity must be multiplied by : a) 0\100 b) 100\0 c)273\373 d) 373\273.

4. Under certain conditions N2 and H2 combine to form NH3. The quantity
of NH3 liberated by three litres of N2 is : a) two b) three c) five d) six e)7.

part II

Earning:   Approval pending.