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Questions asked by abhishekdogra878
Questions
41
questions
0
answers selected
A mild steel wire of length 2l metre cross-sectional area A my is fixed hor
physics
asked
Nov 12, 2018
0
answers
A man can row a boat with speed 4 km/h in still water. If the velocity of w
physics
asked
Nov 9, 2018
1
answer
If rain drops are falling with velocity of 12m/s at an angle of 30° with t
physics
asked
Nov 9, 2018
0
answers
An unknown element forms an oxide. What will be the equivalent weight of the element if the oxygen content is 20% by weight?
chemistry
asked
Oct 10, 2018
1
answer
Which of the following configuration is associated with maximum exchange energy?
chemistry
asked
Oct 10, 2018
1
answer
Is there any difference between rhizoids of Fern and that of Bryophytes?
biology
asked
Oct 8, 2018
1
answer
A cubical block of mass 'm' and edge 'a' slides down a rough inclined plane
physics
asked
Oct 8, 2018
1
answer
A cylinder rotating at an angular speed of 50rev/sec is brought in contact
physics
asked
Oct 8, 2018
1
answer
A uniform metre stick of mass 200g is suspended from the ceiling through tw
physics
asked
Oct 8, 2018
1
answer
1 mole ion of $N_3^-$ contains how many electrons
chemistry
asked
Oct 6, 2018
1
answer
The molality of 15% (wt./vol.) solution of $H_2SO_4$ of density 1.1 g/cm³
chemistry
asked
Oct 6, 2018
1
answer
0.90 gm of the acid (molecular weight 90 gm) is neutralized by 40 mL of 0.5
chemistry
asked
Oct 6, 2018
1
answer
Solve $\int_0^π sin^3 \theta d\theta$
math
asked
Oct 4, 2018
1
answer
n-factor of $CO_2$ formed when calcium carbonate is heated is
chemistry
asked
Sep 29, 2018
1
answer
A gaseous hydrocarbon (12ml) is exploded with excess of oxygen. On cooling, the contraction in volume is 48ml and there is further contraction of 48ml in volume when passed through lime water. The molecular formula of hydrocarbon is
chemistry
asked
Sep 29, 2018
1
answer
12ml of mixture containing carbon monoxide and nitrogen required 7ml oxygen to form $CO_2$ and $NO$ on combustion, the volume of carbon monoxide in the mixture will be
chemistry
asked
Sep 29, 2018
1
answer
The average molar mass of a mixture of $CO(g)$ and $CO_2(g)$ is 37. The mole percentage of $CO(g)$ in the mixture is approximately
chemistry
asked
Sep 29, 2018
1
answer
1.7g of ammonium salt was heated with excess of NaOH. The ammonia released in the process neutralises 100ml of solution of $\frac{N}{5} H_2SO_4.$ What is the percentage of ammonia in the salt?
chemistry
asked
Sep 29, 2018
1
answer
Which of the following solutions is the most concentrated?
chemistry
asked
Sep 29, 2018
1
answer
The force required to row a boat at constant velocity is proportional to sq
physics
asked
Sep 23, 2018
1
answer
Is work a bulk phenomenon or surface phenomenon?
physics
asked
Sep 23, 2018
1
answer
A ball of mass $m$ moving at a speed $v$ makes a head-on collision with an
physics
asked
Sep 19, 2018
1
answer
Select which category the given adjective belongs to:Hollow
asked
Sep 19, 2018
1
answer
Calculate the work done when $1.0 mol$ of water at $373K$ vapourises agains
chemistry
asked
Sep 18, 2018
1
answer
There is a depression in the surface of the liquid in a capillary when
chemistry
asked
Sep 15, 2018
1
answer
Colchicum belong to which family?
biology
asked
Sep 13, 2018
1
answer
If $Z = \frac{A}{A-B}$ and $A$ and $B$ are measured with an error
physics
asked
Aug 29, 2018
0
answers
The hybridization of $P$ in solid $PCl_5$ is
chemistry
asked
Aug 28, 2018
1
answer
If the dipole moment of $C-Cl$ bond is $1.2D$, then the resulting value of
chemistry
asked
Aug 28, 2018
1
answer
The expected order of the strength of the $\sigma$-bond is
chemistry
asked
Aug 28, 2018
1
answer
What is the bond angle in hydrogen bonding of $H-F$?
chemistry
asked
Aug 28, 2018
1
answer
Which of the following have maximum triple bond energy?
chemistry
asked
Aug 28, 2018
1
answer
Which of the molecules in non-polar?
chemistry
asked
Aug 28, 2018
1
answer
What is the hybridization of P in solid $PBr_5$?
chemistry
asked
Aug 28, 2018
1
answer
In blue vitriol, the number of $H_2O$ molecules forming H-bond is
chemistry
asked
Aug 28, 2018
1
answer
Polarization power is given by
chemistry
asked
Aug 28, 2018
1
answer
Identify the order of solubility of $NiS$, $CuS$ and $ZnS$ in aqueous mediu
chemistry
asked
Aug 28, 2018
1
answer
Anhydrous $AlCl_3$ is covalent but $AlCl_3.6H_2O$ is ionic because
chemistry
asked
Aug 28, 2018
1
answer
The correct order of decreasing polarity in $HF$ , $NH_3$ and $H_2O$ is
chemistry
asked
Aug 28, 2018
1
answer
The fraction of s-character in the orbital forming S-S bond in $S_8$ is
chemistry
asked
Aug 28, 2018
1
answer
Highest lattice energy is shown by (1) BeCl2 (2) MgCl2 (3) BaCl2 (4) CaCl2
chemistry
asked
Aug 28, 2018
1
answer
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