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Recent questions tagged class-11
+3
votes
1
answer
On which River banks did the Egyptian civilization develop?
asked
Apr 7, 2019
in
Class 11
by
kratos
worlds major civilizations
class-11
ancient civilizations of the world
class-9
history of ancient civilization
+2
votes
1
answer
One of the factors of 9x^2 – 4z^2 – 24xy + 16y^2 + 20y – 15x + 10z is
asked
Apr 7, 2019
in
Class 11
by
kratos
algebraic expressions
factorisation
algebra
class-8
two dimensional analytical geometry
class-11
class-10
nmtc
+3
votes
1
answer
The gravitational field intensity at a point 10,000 km from the centre of the earth is 4.8 N kg^–1. Calculate gravitational potential at that point.
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
class-11
jee
jee mains
gravitation
+3
votes
1
answer
Two vibrating tuning forks produce waves given by y1 = 4 sin 500πt and y2=2 sin 506 πt . number of beats produced per minute is
asked
Apr 7, 2019
in
Class 12
by
kratos
class-11
jee mains
neet
wave
oscillations
jee
waves
aiims
+1
vote
1
answer
State whether the following proof (by mathematical induction) is true or false for the statement.
asked
Apr 7, 2019
in
Mathematics
by
kratos
class-11
principle of mathematical induction
+2
votes
1
answer
Let a, b and c be three unit vectors such that a x ( b x c) = √3/2 ( b + c). If b is not parallel to c, then the angle between a and b is
asked
Apr 7, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
jee mains
class-12
+2
votes
1
answer
Where is pericardial fluid present?
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
class-11
aiims
circulation
body fluids
+3
votes
1
answer
Which parts of Alexander’* Empire came under the control of Antigonus?
asked
Apr 7, 2019
in
Class 11
by
kratos
class-11
roman empires-contribution
establishment of greek
+2
votes
1
answer
Why is benzene extra ordinarily stable though it contains three double bonds?
asked
Apr 7, 2019
in
Class 11
by
kratos
class-11
cbse
hydrocarbons
+3
votes
1
answer
Explain why on addition of 1mol of NaCl to 1litre of water, the boiling point of water increases,
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
solutions
cbse
class-11
jee
jee mains
colligative properties
class-12
vant hoff factor
+1
vote
1
answer
Define formatting in word processor.
asked
Apr 7, 2019
in
Class 11
by
kratos
word processor
class-11
+3
votes
1
answer
What are the characteristic of d-block elements.
asked
Apr 7, 2019
in
Class 11
by
kratos
periodicity in properties
class-11
classification of elements
+2
votes
1
answer
When cooking oil is heated in a frying pan, the oil moves around in the pan more easily when it is hot.
asked
Apr 7, 2019
in
Class 11
by
kratos
properties of matter
class-11
fluids
+2
votes
1
answer
For the reaction; N2(g) + 3H2(g ⇌ 2NH3(g).
asked
Apr 7, 2019
in
Chemistry
by
kratos
class-11
jee
physical chemistry
jee mains
class-12
chemical equilibrium
+3
votes
1
answer
Define Bond Enthalpy.
asked
Apr 7, 2019
in
JEE
by
kratos
chemical bonding
class- 11
cbse
class-11
jee
molecular structure
jee mains
+3
votes
1
answer
It is difficult to separate the paper sheet joined together with fevicol. Why?
asked
Apr 7, 2019
in
Class 11
by
kratos
mechanical properties of fluids
class-11
+2
votes
1
answer
The electrochemical equivalent of a metal is 3.3 × 10^–7kg per coulomb. The mass of the metal liberated at the cathode
asked
Apr 7, 2019
in
Chemistry
by
kratos
thermal and chemical effects of current
electrochemistry
class-11
jee
physical chemistry
jee mains
class-12
current electricity
+2
votes
1
answer
End product of the following sequence of reaction is:
asked
Apr 7, 2019
in
Class 12
by
kratos
neet
class-11
aiims
jee
respiration in plants
jee mains
+1
vote
1
answer
Which of the following has more excess pressure? (i) An air bubble in water of radius 2 cm.
asked
Apr 7, 2019
in
JEE
by
kratos
fluid mechanics
class-11
jee
mechanical properties of fluids
properties of matter
jee mains
+1
vote
1
answer
Write the structure of all the possible isomers of dichloroethene. Which of them will have zero dipole moment?
asked
Apr 7, 2019
in
Chemistry
by
kratos
organic chemistry
class-11
jee
molecular structure
jee mains
bonding
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