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Recent questions tagged nuclear chemistry
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Which one of the following forms micelles in aqueous solution above certain concentration?
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Apr 6, 2019
in
Chemistry
by
kratos
chemistry in everyday life
neet
surface chemistry
jee
aiims
jee mains
nuclear chemistry
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1
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At the critical micelle concentration (CMC) the surfactant molecules (a) associate (b) dissociate
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Apr 5, 2019
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Chemistry
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kratos
neet
surface chemistry
aiims
jee
upsee
jee mains
nuclear chemistry
class-12
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1
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What does carbon dating method indicate ?
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Mar 23, 2019
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Chemistry
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kratos
neet
atomic and nuclear physics
origin and evolution of life
class-9
class-10
nuclear chemistry
class-12
heredity and evolution
structure of atom
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The half-life of (14,6) C , if its 1 is 2.31x10^-4, is
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Mar 15, 2019
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Chemistry
by
kratos
neet
surface chemistry
jee
jee mains
nuclear chemistry
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At the critical micelle concentration (CMC) the surfactant molecules :
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Mar 14, 2019
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Chemistry
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kratos
neet
jee main 2020
upsee
surface chemistry
jee
physical chemistry
jee mains
nuclear chemistry
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1
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The atomic number and mass number for a specimen are Z and A respectively. The number of neutrons in the atom will be
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Mar 13, 2019
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Chemistry
by
kratos
neet
structure of the atom
class-9
atomic structure
class-7
nuclear chemistry
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1
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What do you understand by reversible and irreversible colloids and why are these called so?
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Mar 11, 2019
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Chemistry
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kratos
cbse
surface chemistry
jee
jee mains
nuclear chemistry
class-12
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During α-emission : (a) the mass number and atomic number of an atom decrease by 2 a mu.
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Mar 7, 2019
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Chemistry
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kratos
neet
surface chemistry
jee
jee mains
nuclear chemistry
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1
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Write a balanced equation for the reaction of N^14 with α -particles.
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Mar 6, 2019
in
Chemistry
by
kratos
nuclear chemistry
surface chemistry
jee
jee mains
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1
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A radioactive substance has a half-life of 60 minutes. After 3 hours, the fraction of atoms that have decayed, would be :
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Mar 2, 2019
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Chemistry
by
kratos
neet
nuclear chemistry
nuclei
atoms
bitsat
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1
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Explain the terms : (i) CMC, (ii) Kraft temperature (Tk).
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Feb 27, 2019
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Chemistry
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kratos
cbse
surface chemistry
jee
colloids
jee mains
nuclear chemistry
class-12
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What happens inside the nucleus that causes the emission of beta particle?
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Feb 26, 2019
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Chemistry
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kratos
isc
surface chemistry
jee
class-10
icse
jee mains
nuclear chemistry
class-12
nuclear physics
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1
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Regarding radioactivity: a. Decay of radionuclides with a neutron excess
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Feb 25, 2019
in
Chemistry
by
kratos
jee
class-10
nuclear chemistry
class-12
nuclear physics
nuclei
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Name the phase of quartz consistently found in meteorite impact craters, but rarely found in non-meteorite-related geological formations.
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Feb 24, 2019
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Chemistry
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kratos
nuclear chemistry
neet
general scince
meteorites and impact craters
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Three fourth of the active decays in a radioactive sample in 3/4s. The half life of the sample is
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Feb 21, 2019
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Chemistry
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kratos
modern physics
surface chemistry
jee
jee mains
nuclear chemistry
class-12
nuclei
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An element ZS^A decays to 85R^222 after emitting 2α particles and 1 β particle.Find the
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Feb 18, 2019
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Chemistry
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kratos
modern physics
surface chemistry
jee
theory of relativity
class-10
icse
jee mains
nuclear chemistry
nuclear physics
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The half life of tritium is about:
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Feb 17, 2019
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Chemistry
by
kratos
neet
class-11
jee
surface chemistry
hydrogen
the nucleus
jee mains
nuclear chemistry
class-12
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1
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Natural water contains a small amount of tritium (3H). This isotope beta-decays with a half-life of 12.5 years.
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Feb 17, 2019
in
Chemistry
by
kratos
nuclear chemistry
class-12
the nucleus
neet
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1
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227 Ac has a half-life of 22 years with respect to radioactive decay .
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Feb 14, 2019
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Chemistry
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kratos
cbse
surface chemistry
jee
kvpy
jee mains
nuclear chemistry
class-12
chemical kinetics
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In a given electric field, β -particles are deflected more than α-particles, inspite of α-particles having larger change.
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Feb 10, 2019
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Chemistry
by
kratos
nuclear chemistry
surface chemistry
jee
jee mains
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