Friday, June 13, 2014

EAMCET PREVIOUS PAPER QUESTIONS FORM GASEOUS STATE PART-1

1.The units of electro chemical equivalent is
a) gm coulomb
b) gram amp-1 sec-1
c) gram amp sec-1
d) gram amp-1 sec
2.Which one of the following metals will not reduce water
a) Ca
b) Fe
c) Cu
d) Li
3.When one Faraday current is passed, which of the following would deposit one gram atomic weight of the metal
a) BaCl2
b) NaCl
c) AlCl3
d) CuCl2
4. The chemical reaction taking place at anode is
a) oxidation
b) reduction
c) ionization
d) hydrolysis
5.Copper rod dipped in AgNO3 solution in this process
a) Cu is oxidized
b) Cu is reduced
c) Ag is oxidized
d) none of the above
EAMCET PREVIOUS PAPER QUESTIONS FORM GASEOUS STATE PART-2
6. 3amperes of current is passed for 4hrs through copper salt solution. The amount of copper deposited is(Cu=63.5)
a) 1.43g
b) 14.3g
c) 16g
d) 143g
7.The weight of silver deposited by passing 241.25 coulombs of current through AgNO3 solution is
a) 0.27g
b) 2.7g
c) 27g
d) 0.54g
8.The number of grams of copper deposited from a solution of CuSO4 by 0.5 F electricity is (Cu=64)
a) 64
b) 6.4
c) 32
d)16
9.which of the following is a poor conductor of electricity
a) CH3 COONa
b) C2 H5 OH
c) NaCl
d) KOH
10.A silver cup is plated with silver by 965 coulomb of electricity. The amount of Ag deposited is
a) 9.89g
b) 107.87g
c) 1.0787g
d) 1.002g 

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