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Recent questions tagged atoms and molecule
+2
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1
answer
The action of concentrated sulphuric acid on urea (NH2CONH2) results in the production of a white crystalline solid X of formula H3NO3S.
asked
Mar 25, 2019
in
Chemistry
by
kratos
organic chemistry
solutions
class-11
class-10
icse
atoms and molecule
+1
vote
1
answer
The ammonia (NH3) released on quantitative reaction of 0.6 g urea (NH2CONH2) with sodium hydroxide (NaOH) can be
asked
Mar 21, 2019
in
JEE
by
kratos
atoms and molecule
class-11
class-10
jee main 2020
solutions
+2
votes
1
answer
Which carbonate does not exists (a) Na2CO3 (b) CaCO3 (c) FeCO3 (d) CuCO3
asked
Mar 16, 2019
in
JEE
by
kratos
class-11
jee
general principles
processes of isolation of metals
class-10
jee mains
atoms and molecule
class-12
+1
vote
1
answer
White and Yellow phosphorus are - A. Allotropes B. Isobars
asked
Mar 12, 2019
in
JEE
by
kratos
atoms and molecule
class-12
jee mains
class-10
jee
p-block element
bseb model set
+2
votes
1
answer
An aromatic compound 'A' of molecular formula C7H7ON undergoes a series of reactions as shown below.
asked
Mar 3, 2019
in
JEE
by
kratos
cbse
amines
jee
aldehydes ketones and carboxylic acids
class-10
jee mains
atoms and molecule
class-12
organic nitrogen compounds
+1
vote
1
answer
How much mass is there approximately in 1 L of mercury (Hg)?
asked
Feb 21, 2019
in
Class 10
by
kratos
atoms and molecule
energy
thermodynamics
class-10
force
density
manometers
barometers
+3
votes
1
answer
What mass of Calcium carbonate is to be decomposed to obtain 4.4 of CO2 in the following reaction
asked
Feb 14, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
class-11
jee
class-9
class-10
jee mains
atoms and molecule
atoms and molecules
+1
vote
1
answer
Give the relationship between molecular mass and density of a gas.
asked
Feb 8, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
class-11
some basic principles and techniques
stoichiometry
class-10
icse
mole concept
atoms and molecule
kinetic theory of gases
+2
votes
1
answer
Find the total number of iron atom present in 224 amu iron.
asked
Jan 23, 2019
in
JEE
by
kratos
class-8
class-11
jee
direct & inverse variation
nature of physical world and measurement
class-10
icse
jee mains
mole concept
atoms and molecule
class-12
+2
votes
1
answer
How many grams of glucose will be required to have solution having 10%w/w concentration?
asked
Jan 16, 2019
in
JEE
by
kratos
nedocrine system
cbse
jee
chemical thermodynamics
class-9
class-10
jee mains
is matter around us pure
atoms and molecule
+3
votes
1
answer
The states of hybridisation of boron and oxygen atoms in boric acid (H3BO3) are respectively
asked
Dec 8, 2018
in
Chemistry
by
kratos
chemical bonding
jee
class-10
chemistry of non-metals
jee mains
atoms and molecule
p - block element
+3
votes
1
answer
Calculate the volume of oxygen at *.T.P. present in the cylinder. [O = 16]
asked
Dec 1, 2018
in
Chemistry
by
kratos
class-11
physical chemistry
stoichiometry
class-10
icse
mole concept
gaseous state
atoms and molecule
class-12
+3
votes
1
answer
What is the no. Of ***** of O-atom in 126 amu of HNO3
asked
Nov 24, 2018
in
JEE
by
kratos
cbse
class-11
jee
nature of physical world and measurement
class-10
jee mains
atoms and molecule
class-12
p - block element
kinetic theory of gases
+3
votes
1
answer
Assertion: The standard unit for expressing the mass of atom is a.m.u.
asked
Nov 18, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
cbse
class-11
jee
class-10
jee mains
atoms and molecule
+3
votes
1
answer
What are isobars? (ii) Give one example of isobars.
asked
Nov 16, 2018
in
Physics
by
kratos
structure of the atom
class-9
class-7
atomic structure
class-10
icse
atoms and molecule
nuclear physics
+3
votes
1
answer
Which of the following can be decomposed by the action of light ?
asked
Nov 14, 2018
in
JEE
by
kratos
jee main 2020
class-11
composition and decomposition
class-10
atoms and molecule
alkali and alkaline earth metals
+2
votes
1
answer
An aromatic compound 'A' of molecular formula C2H6O2 undergoes a series of reactions as shown below,
asked
Nov 4, 2018
in
Class 12
by
kratos
cbse
amines
aldehydes ketones and carboxylic acids
class-10
atoms and molecule
class-12
organic nitrogen compounds
+3
votes
1
answer
On the basis of the information available from the reaction 4/3 Al + O2 → 2/3 Al2 O3, ΔG = -827 kJmol^-1 of O2,
asked
Sep 22, 2018
in
Chemistry
by
kratos
neet
electrochemistry
processes of isolation of elements
class-10
icse
general principle
atoms and molecule
class-12
electrolysis
+1
vote
1
answer
The conjugate base of H3BO3 is-
asked
Sep 2, 2018
in
Chemistry
by
kratos
basic concepts of chemistry
class-11
class-10
ionic equilibrium
chemical calculations
atoms and molecule
class-12
+1
vote
1
answer
Calculate the mass of Calcium that will contain the same number of atoms as are present in 3.2 gm of Sulphur. [Atomic masses : * = 32, Ca = 40]
asked
Aug 26, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
neet 2020
jee
stoichiometry
class-10
icse
mole concept
jee mains
atoms and molecule
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