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Recent questions tagged chemistry
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an element has a ccp lattice with a cell edge length of 300pm the density o
chemistry
asked
May 25, 2017
by
krishnagowtham2000
0
answers
The most appropriate method of making egg-albumin sol is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The artificial sweetener that has the highest sweetness value in comparison to cane sugar is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
Consider the following sequence for aspartic acid :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The test to distinguish primary, secondary and tertiary amines is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
Bouveault-Blanc reduction reaction involves :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The gas evolved on heating $CH_3MgBr$ in methanol is
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
$5\; L$ of an alkane requires $25\; L$ of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
The hydrocarbon with seven carbon atoms containing a neopentyl and a vinyl group is :
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
An organic compound contains C, H and S. The minimum molecular weight of the compound containing $8\%$ sulphur is : (atomic weight of $S=32 amu$)
jeemain
2016
chemistry
set b
09042016
asked
May 25, 2017
by
meena.p
1
answer
calculate the number of unit cell present in 1g of gold . given that the go
chemistry
asked
May 25, 2017
by
krishnagowtham2000
1
answer
calculate the number of unit cell present in 1g of gold . given that the go
chemistry
asked
May 25, 2017
by
krishnagowtham2000
1
answer
The number of atoms contained in a fcc unit cell of monoatomic substance
chemistry
asked
May 24, 2017
by
hanifmdbarbhuiya
1
answer
BOD stands for :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Identify the correct trend given below : (Atomic No.= $Ti : 22, Cr : 24$ and $Mo : 42$)
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which one of the following complexes will consume more equivalents of aqueous solution of $Ag(NO_3)$ ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which one of the following species is stable in aqueous solution?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The group of molecules having identical shape is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Match the items in Column I with its main use listed in Column II :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The correct order of the solubility of alkaline-earth metal sulphates in water is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Identify the incorrect statement regarding heavy water :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The plot shows the variation of −ln Kp versus temperature for the two reactions.
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The non-metal that does not exhibit positive oxidation state is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
A particular adsorption process has the following characteristics : (i) It arises due to van der Waals forces and (ii) it is reversible. Identify the correct statement that describes the above adsorption process :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The reaction of ozone with oxygen atoms in the presence of chlorine atoms can occur by a two step process shown below :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
What will occur if a block of copper metal is dropped into a beaker containing a solution of $1\;M\; ZnSO_4$ ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Assertion : Rayon is a semisynthetic polymer whose properties are better than natural cotton. <br> Reason : Mechanical and aesthetic properties of cellulose can be improved by acetylation.
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
For the reaction, $A(g)+B(g) \to C(g)+D(g), \; \Delta H^0$ and $\Delta S^0$ are,respectively, $−29.8\; kJ\; mol^{−1}$ and $−0.100\; kJ K^{−1} mol^{−1}$ at $298\; K$. The equilibrium constant for the reaction at $298\; K$ is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The solubility of $N_2$ in water at $300\; K$ and $500\;torr$ partial pressure is $0.01 \;g\; L^{−1}$. The solubility (in g L−1) at 750 torr partial pressure is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
A reaction at 1 bar is non-spontaneous at low temperature but becomes spontaneous at high temperature. Identify the correct statement about the reaction among the following :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
Which intermolecular force is most responsible in allowing xenon gas to liquefy ?
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The total number of orbitals associated with the principal quantum number 5 is :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
At very high pressures, the compressibility factor of one mole of a gas is given by :
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
The amount of arsenic pentasulphide that can be obtained when $35.5\;g$ arsenic acid is treated with excess $H_2S$ in the presence of conc. $HCl$ ( assuming 100% conversion) is
jeemain
2016
chemistry
set b
09042016
asked
May 24, 2017
by
meena.p
1
answer
At certain temperature vapour pressure of pure water is 25 mm Hg and that o
chemistry
asked
May 24, 2017
by
5161sainik
1
answer
the temperature at which 10% aqueous solution (w/V) of glucose will exhibit
chemistry
asked
May 24, 2017
by
vishes.rao
1
answer
Calculate boiling pointof solution containing 0.36g of glucose in 100g of w
chemistry
asked
May 23, 2017
by
sejalmaru3
1
answer
If a stank for the edge length of the cubic system simple cubic b.c.c is f.
chemistry
asked
May 23, 2017
by
rohinibara4955
1
answer
When a metal is burnt , its weight is increased by 24 percent . The equival
chemistry
asked
May 22, 2017
by
duggireddy.deekshitha
1
answer
What are the three types of Centred Unit Cell.
cbse12
chemistry
solidstate
asked
May 22, 2017
by
pady_1
1
answer
What is Crystal Lattice and give its Characteristics.
cbse 12
chemistry
solidstate
asked
May 22, 2017
by
pady_1
1
answer
a sample of ammonium phosphate contains 3.18 mol of hydrogen atoms. The no.
chemistry
asked
May 21, 2017
by
sriram.srini12
1
answer
2.76 g of silver carbonate on being strongly heated yields residue weighing
chemistry
asked
May 21, 2017
by
sriram.srini12
1
answer
The charge in Coulomb of 1.0 ion of N3- is:- a. 3*6.033*10^23 Coulombs b. 3
chemistry
asked
May 21, 2017
by
sriram.srini12
1
answer
Limitations of raoult's law
chemistry
asked
May 20, 2017
by
smart.786nk
1
answer
Anthracene is isomeric with- 1)phenanthrene 2)Naphthalene 3)Benzene 4)None
chemistry
asked
May 19, 2017
by
lrgorkar
1
answer
Which of the following alkanes have only 1monochloro derivative.- 1) Cycloh
chemistry
asked
May 19, 2017
by
lrgorkar
1
answer
A gold. Has FCC structure ,what is the approximate no of unit cell of2g ,a
chemistry
asked
May 19, 2017
by
shivamverma5782401
1
answer
What is the formula of a compound in which the element y from CCP lattice a
chemistry
asked
May 19, 2017
by
ssfvizhinjam
1
answer
Gold crystallizes in the face centered cubic lattice. Calculate the approxi
chemistry
asked
May 19, 2017
by
abhisrk222
0
answers
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