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COMEDK UGET
List of top Questions asked in COMEDK UGET
The indicator used in the titration of sodium carbonate and hydrochloric acid is
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Acids and Bases
If
$f\left(9\right)= 9 , f'\left(9\right) = 4 $
then
$\lim_{x\to9} \frac{\sqrt{f\left(x\right)} -3}{\sqrt{x} - 3} = $
COMEDK UGET - 2010
COMEDK UGET
Mathematics
limits and derivatives
If the rate equation for reaction is, rate =
$ k[A][B]^{1/2}$
, the order of reaction is
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Chemical Kinetics
The type of hybridisation of nitrogen atom in
$ {NH_3}$
is
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Chemical bonding and molecular structure
If
$x= a\left(\cos \theta +\theta \sin \theta\right)$
and
$ y = a \left(\sin \theta- \theta \cos \theta \right) $
where
$0 < \theta < \frac{\pi}{2}$
, then
$ \frac{d^{2}y}{dx^{2}}$
at
$ \theta = \frac{\pi}{4}$
is equal to
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Continuity and differentiability
If
$\log y= m \tan^{-1} x,$
then
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Continuity and differentiability
Which of the following ores will be concentrated by froth floatation method?
COMEDK UGET - 2010
COMEDK UGET
Chemistry
General Principles and Processes of Isolation of Elements
In a sonometer experiment, when the tension is changed by
$10\, kg \, wt$
, fundamental frequency emitted increases by
$50 \%$
. Original tension in kg wt is
COMEDK UGET - 2010
COMEDK UGET
Physics
Waves
Which of the following is not used to distinguish ethane from ethene ?
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Hydrocarbons
In the group
$\{1, 2, 3, 4, 5, 6\}$
under multiplication modulo
$7$
, if
$5x = 4$
, then
$x =$
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Relations and functions
In the manufacture of NaOH, by electrolysis of an aqueous solution of sodium chloride, the cathode and anode are separated by using a diaphragm because
COMEDK UGET - 2010
COMEDK UGET
Chemistry
GROUP 1 ELEMENTS
IUPAC name of
$ {K_3[Fe(CN)_6]}$
is
COMEDK UGET - 2010
COMEDK UGET
Chemistry
coordination compounds
As resistance in a series resonant circuit increases (i) sharpness of resonance decreases (ii) bandwidth increases
COMEDK UGET - 2010
COMEDK UGET
Physics
Alternating current
Least stable structure in liquid crystalline state is observed in
COMEDK UGET - 2010
COMEDK UGET
Physics
Semiconductor electronics: materials, devices and simple circuits
Excited H atom emits a photon of energy
$12.1 \, eV$
, orbital angular momentum of electron changes by
COMEDK UGET - 2010
COMEDK UGET
Physics
Atoms
Fehling's reagent contains
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Let
$y' = e^{-2x} $
and
$ y = 0$
when
$x =e$
. Then the value of
$x$
when
$ y =\frac{1}{2}$
is
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Statistics
Raindrops falling down attain limited value of velocity because of
COMEDK UGET - 2010
COMEDK UGET
Physics
mechanical properties of fluid
A voltmeter can read up to
$V$
volt. When the series resistance used in the voltmeter is doubled, range of voltmeter is
COMEDK UGET - 2010
COMEDK UGET
Physics
Moving charges and magnetism
Equivalent mass of
$ {K_2Cr_2O_7}$
in acidic solution is equal to
COMEDK UGET - 2010
COMEDK UGET
Chemistry
d -and f -Block Elements
Which of the following pairs is isoelectronic?
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Structure of atom
Among solids, the higher melting point is exhibited by
COMEDK UGET - 2010
COMEDK UGET
Chemistry
The solid state
75% of a first order reaction was completed in 32 minutes. When was 50% of the reaction completed
COMEDK UGET - 2010
COMEDK UGET
Chemistry
Chemical Kinetics
If
$a, b, c$
are in A.P., then
$7^a, 7^b,$
and
$7^c$
are in
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Sequence and series
$\displaystyle\lim_{x \to 0} \frac{6^{x} -3^{x} -2^{ x}+1}{x^{2}} = $
COMEDK UGET - 2010
COMEDK UGET
Mathematics
Statistics
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