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AIEEE Chemistry (2003)

AIEEE Chemistry (2003)
Created by Quizmagic Team on Jan 09, 2013 12:24 PM
There are 25 questions of AIEEE Chemistry 2003 examination. Take this quiz to test your knowledge of Chemistry and prepare yourself for 'All India Engineering Entrance Examination'.
Top 5 Scores
Anonymous
91
00:56
Anonymous
86
02:32
Anonymous
67
00:54
Anonymous
36
00:32
Prem NAIR
36
02:35
Questions
25
Minutes
15
High Score
91
00:56
Quiz Played
204
times
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Sample Questions

Question 1
The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 metres per second is approximately
10-31 metres
10-25 metres
10-16 metres
10-33 metres Planck’s constant, h = 6.63×10-34Js.
Question 2
In Bohr series of lines of hydrogen spectrum, the third line from the red end corresponds to which one of the following inter-orbit jumps of the electron for Bohr orbits in an atom of hydrogen
3→2
5→2
2→5
4→1
Question 3
The atomic numbers of vanadium (V), Chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23,24, 25 and 26. Which one of these may be expected to have the highest second ionization enthalpy?
Cr
Mn
Fe
V
Question 4
The pair of species having identical shapes for molecules of both species is
BF3 ,PCl3
PF5, IF5
CF4, SF4
XeF2, CO2
Question 5
Which one of the following processes will produce hard water?
Saturation of water with MgCO3
Addition of Na2SO4 to water
Saturation of water with CaCO3
Saturation of water with CaSO4
Question 6
Which one of the following groupings represents a collection of isoelectronic species? (At. nos,: 55, Br:35)
Na+, Ca2+, Mg2+
Be, Al3+, Cl-
Ca2+, Cs+, Br
N3-, F-, Na+
Question 7
Which one of the following pairs of molecules will have permanent dipole moments for both members?
NO2 and O3
NO2 and CO2
SiF4 and NO2
SiF4 and CO2
Question 8
Several blocks of magnesium are fixed to the bottom of a ship to
make the ship lighter
prevent action of water and salt
keep away the sharks
prevent puncturing by under-sea rocks
Question 9
For the reaction system:  2NO(g) + O2(g) → 2NO2(g) volume is suddenly reduce to half its value by increasing the pressure on it. If the reaction is of first order with respect to O2 and second order with respect to NO, the rate of reaction will
diminish to one-fourth of its initial value
increase to four times of its initial value
diminish to one-eighth of its initial value
increase to eight times of its initial value
Question 10
A pressure cooker reduces cooking time for food because
boiling point of water involved in cooking is increased
cooking involves chemical changes helped by a rise in temperature
heat is more evenly distributed in the cooking space
the higher pressure inside the cooker crushes the food material
X
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