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Recent questions tagged q11
Questions
Zinc reacts withvery dilute nilric acid to produce
jeemain
cbse
chemistry
class12
unit6
general-principals-and-processes-of-isolation-of-metals
q11
medium
asked
Mar 17, 2014
by
meena.p
1
answer
When a solid melts, there is
jeemain
physics
thermodynamics
cbse
class11
class12
q11
easy
asked
Mar 15, 2014
by
thanvigandhi_1
1
answer
Which one of the following compound contains a cation having non-inert gas outermost configuration?
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
valence-bond-theory
q11
difficult
asked
Mar 10, 2014
by
sreemathi.v
1
answer
Which of the following is a homopolymer?
jeemain
aipmt
chemistry
cbse
unit5
class12
organic-chemistry
polymers
q11
easy
asked
Mar 6, 2014
by
thanvigandhi_1
1
answer
Hinsberg's reagent is
jeemain
chemistry
unit13
class12
organic-chemistry
nitrogen
amines
q11
easy
asked
Feb 28, 2014
by
sreemathi.v
1
answer
Evaluate $\sum\limits_{k=1}^{11} (2+3^k)$
cbse
class11
ch9
bookproblem
exercise9-3
sec-b
easy
q11
math
sequences-and-series
asked
Feb 26, 2014
by
rvidyagovindarajan_1
1
answer
Sum of first $p,q\:\:and\:\:r\:terms$ of an $A.P.$ are $a,b\:\:and\:\:c$ respectively. Prove that $\large\frac{a}{p}$$(q-r)+\large\frac{b}{q}$$(r-p)+\large\frac{c}{r}$$(p-q)=0$
cbse
class11
ch9
bookproblem
exercise9-2
sec-b
medium
q11
math
sequences-and-series
asked
Feb 23, 2014
by
rvidyagovindarajan_1
1
answer
The IUPAC name of the compounds having the formula
jeemain
chemistry
class11
organic-chemistry
q11
easy
basic-organic-chemistry
ch12
asked
Feb 20, 2014
by
meena.p
1
answer
The reduction at acetone with magnesium amalgam followed by hydrolysis produces
jeemain
chemistry
unit11
unit12
class12
organic-chemistry
oxygen
aldehyde-and-ketones
q11
easy
asked
Feb 19, 2014
by
sreemathi.v
1
answer
A copper wire of diameter $1.6mm$ carries a current i. The maximum magnetic field due to this wire is $5 \times 10^{-3} T$. The value of $i$ is
jeemain
aipmt
physics
cbse
class12
ch4
ch5
magnetic-effects-of-current-and-magnetism
q11
medium
asked
Feb 19, 2014
by
thanvigandhi_1
1
answer
Find the first five terms of the sequence given by $a_1=3,\:a_n=3a_{n-1}+2\:\:\forall \:n\in N\:and\:n>1$
cbse
class11
ch9
bookproblem
exercise9-1
sec-a
easy
q11
math
sequences-and-series
asked
Feb 18, 2014
by
rvidyagovindarajan_1
1
answer
In Van der waal's equation of state of the gas law the constant 'b' is a measure of :
jeemain
chemistry
physical-chemistry
class11
unit5
states-of-matter
gas-laws
easy
q11
asked
Feb 12, 2014
by
sharmaaparna1
1
answer
Find the distance between the lines $3x-4y+2=0$ & $3x-4y+10=0$?
jeemain
math
class11
coordinate-geometry
straight-lines
distance-of-a-point-from-a-line
ch10
q11
easy
asked
Feb 4, 2014
by
sreemathi.v
1
answer
General solution of differential equation : $x dy +y dx=0$
jeemain
math
class12
ch9
differential-equations
solving-using-separation-of-variables
q11
easy
asked
Feb 3, 2014
by
meena.p
1
answer
Which of the following is an ambident ligand
jeemain
chemistry
class12
coordination-compounds
unit9
q11
easy
asked
Jan 31, 2014
by
sreemathi.v
1
answer
The impurity atom with which pure silicon can be doped to make p-type semiconductors are
jeemain
physics
class12
unit19
ch14
q11
easy
semiconductor-electronics
concepts
asked
Jan 27, 2014
by
meena.p
1
answer
$Li$ shows diagonal relationship with
jeemain
chemistry
class11
s-block-elements
unit10
q11
easy
asked
Jan 27, 2014
by
sreemathi.v
1
answer
The proposition $ p \Rightarrow ^{\sim}(p \wedge\: ^{\sim}q)$ is
jeemain
math
mathematical-reasoning
class11
ch14
difficult
implications-(tautology-contradiction.)
q11
asked
Jan 23, 2014
by
thanvigandhi_1
1
answer
$\large\frac{n}{p}$ ratio of $1^{\Large H^1}$ is
jeemain
chemistry
class11
hydrogen
unit9
q11
easy
asked
Jan 22, 2014
by
sreemathi.v
1
answer
"If Deb and Sam go to the mall, then it is snowing." Which statement below is logically equivalent?
jeemain
math
mathematical-reasoning
class11
ch14
medium
statements
q11
asked
Jan 20, 2014
by
thanvigandhi_1
1
answer
Identification of a pollutant as organic ,inorganic (or) organometallic origin is called
jeemain
chemistry
class11
environmental-chemistry
unit14
q11
easy
asked
Jan 20, 2014
by
sreemathi.v
1
answer
What is the truth value of "4 is even and 8 is odd."?
jeemain
math
mathematical-reasoning
class11
ch14
easy
statements
q11
asked
Jan 17, 2014
by
thanvigandhi_1
1
answer
The ratio of specific charge (e/m) of a proton to that of an $\alpha$-particle is :
jeemain
chemistry
physical-chemistry
class11
unit2
atomic-structure
sub-atomic-particles
q11
easy
asked
Jan 9, 2014
by
sreemathi.v
1
answer
If the integers m and n are chosen at random between 1 and 100, then the probability that a number of the form $ 7^m+7^n$ is divisible by 5 equals.
jeemain
math
cbse
class12
probability
probability-distribution-of-a-random-variable
difficult
q11
asked
Jan 8, 2014
by
thanvigandhi_1
1
answer
For a poisson variate X if $P(X=0) = 0.2$ then its variance is
jeemain
math
cbse
class12
probability
probability-distribution-of-a-random-variable
medium
q11
asked
Jan 6, 2014
by
thanvigandhi_1
1
answer
Two fair dice are tossed once. The probability of getting an even number on the first die or a total of 8 is
jeemain
math
cbse
class12
probability
independent events
easy
q11
asked
Jan 2, 2014
by
thanvigandhi_1
2
answers
Given that $\frac{S_{1}}{S_{2}}=\frac{3n+8}{7n+5}$, $\frac{S_{1}}{S_{2}}$ is the ratio of sum of two APs to n terms, find the ratio of the 11<sup>th</sup> terms of the two APs.
jeemain
math
class11
ch9
sequences-and-series
easy
sum-of-n-terms-of-special-series
q11
asked
Dec 31, 2013
by
yamini.v
1
answer
The equation of the plane which is parallel to the plane $x-2y+2z-5=0$ and which is at a unit distance from origin is ?
jeemain
math
class12
ch11
3d-geometry
equation-of-a-plane
medium
q11
asked
Dec 26, 2013
by
rvidyagovindarajan_1
1
answer
If $G(x)=-\sqrt{25-x^2}$ then $\lim\limits_{x \to 1}\large\frac{G(x)-G(1)}{x-1}$ has the value
jeemain
math
class11
ch13
limits-and-derivatives
introduction-to-limits
easy
q11
asked
Dec 20, 2013
by
sreemathi.v
1
answer
The ratio of the radii of gyration of a circular disc to that of a circular ring each of same mass and radius, around their respective axes is :
aipmt
modelpaper
physics
2008
q11
asked
Dec 14, 2013
by
thanvigandhi_1
0
answers
Integrate : $\int \limits_0^{\large\frac{z}{2}}$$ \cos x \sin ^3 x dx$
jeemain
math
class12
ch7
integral-calculus
integration-by-subsitution
medium
q11
asked
Dec 12, 2013
by
meena.p
1
answer
In salt bridge the electrolyte used should be
jeemain
chemistry
unit8
redox-reactions-and-electrochemistry
q11
easy
asked
Dec 10, 2013
by
sreemathi.v
1
answer
Match the each of the diatomic molecule in column-I with the bond orders are given in the column -II
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
bond-parameters
q11
medium
asked
Dec 9, 2013
by
sreemathi.v
1
answer
Number of peristomial teeth in Funaria capsule :
jeemain
eamcet
biology
2002
q11
asked
Dec 6, 2013
by
thanvigandhi_1
1
answer
The number of anti-bonding electrons in CO molecules is
jeemain
chemistry
physical-chemistry
class11
unit4
chemical-bonding-and-molecular-structure
molecular-orbital-theory
q11
easy
asked
Dec 6, 2013
by
sreemathi.v
1
answer
Find out the valid statement
jeemain
chemistry
unit21
organic-chemistry
q11
difficult
basic-organic-chemistry
class11
ch12
asked
Dec 4, 2013
by
sreemathi.v
1
answer
How many stereoisomers of the main product will form in the following reaction?
jeemain
chemistry
unit21
organic-chemistry
q11
medium
basic-organic-chemistry
class11
ch12
asked
Dec 3, 2013
by
sreemathi.v
1
answer
Which of the following one belongs to the gamtophyte phase in Funaria ?
jeemain
eamcet
biology
2001
q11
asked
Dec 1, 2013
by
thanvigandhi_1
0
answers
The reducing nature of the hydrides
jeemain
chemistry
unit15
p-block-elements
q11
easy
asked
Nov 26, 2013
by
sreemathi.v
1
answer
The characteristic root of the matrix $\begin{bmatrix}1&0&0\\2&3&0\\4&5&6\end{bmatrix}$ are
jeemain
math
class12
ch3
matrices
q11
invertible-matrices
difficult
asked
Nov 25, 2013
by
sreemathi.v
1
answer
Root pockets can be seen in :
jeemain
eamcet
biology
2000
q11
asked
Nov 24, 2013
by
thanvigandhi_1
0
answers
The position of the micropyle' found in an orthotropous ovule are turned down about $160^{\circ}$ ( degrees ) with reference to the funicle. In addition the ovule and embryo sac are curved. Such a type of ovule is called as
jeemain
eamcet
biology
1999
q11
asked
Nov 22, 2013
by
thanvigandhi_1
1
answer
Let $a,b,c$ be any real numbers. Suppose that there are real numbers $x,y,z$ not all zero. Such that $x=cy+bz,y=az+cx,z=bx+ay$. Then $a^2+b^2+2abc$ is equal to
jeemain
math
class12
ch4
determinants
q11
system-of-linear-equations
medium
asked
Nov 22, 2013
by
sreemathi.v
1
answer
The equilibrium constant for the reaction $CaSO_4.5H_2O (s) \rightleftharpoons CaSO_4.3H_2O (s) + 2H_2O (g)$ is equal to
jeemain
chemistry
aipmt
equilibrium
medium
q11
biology
asked
Nov 13, 2013
by
mosymeow_1
1
answer
The time period of a simple pendulum is T. When the length is increased by 10 cm,its period is $T_1$. When the length is decreased by 10 cm, its period is $T_2$. Then, the relation between $T,T_1\;and T_2$ is :
jeemain
eamcet
physics
2004
q11
asked
Nov 13, 2013
by
meena.p
1
answer
If $\large\frac{x^3}{(2x-1)(x+2)(x-3)}$$=A+\large\frac{B}{2x-1}+\frac{C}{x+2}+\frac{D}{x-3}$ then A is equal to :
jeemain
eamcet
math
2005
q11
asked
Nov 11, 2013
by
meena.p
1
answer
Identify the true statement in the following :
jeemain
eamcet
biology
2010
q11
asked
Nov 10, 2013
by
thanvigandhi_1
1
answer
Which of the following , compounds is the reactant in Rosenmund's reduction?
jeemain
eamcet
chemistry
2005
q11
asked
Nov 8, 2013
by
meena.p
0
answers
Degenerate electron pressure will not be sufficient to prevent core collapse of white dwarf if its mass becomes n times of solar mass. Value of n is :
jeemain
eamcet
physics
2005
q11
asked
Nov 7, 2013
by
meena.p
1
answer
How many ml of 0.1N HCl are required to react completely with 1g mixture of $Na_2CO_3$ and $NaHCO_3$ containing equimolar amount of two ?
jeemain
physical-chemistry
chemistry
class11
unit1
some-basic-concepts-in-chemistry
stoichiometry
q11
difficult
asked
Nov 6, 2013
by
sreemathi.v
1
answer
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