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Chemistry:The Central Science
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#Post#: 2024--------------------------------------------------
Daily question-72
DIR By: Shiva
Date: February 3, 2013, 7:39 am
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The phenomenon of radioactivity is associated with the
(a) Disintegration of electrons
(b) Emission of spectral lines
(c) Fission of nuclei
(d) Spontaneous disintegration of the nuclei of an atom
#Post#: 2028--------------------------------------------------
Re: Daily question-72
DIR By: Sobia Sarwar
Date: February 4, 2013, 6:40 am
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option d
#Post#: 2029--------------------------------------------------
Re: Daily question-72
DIR By: Shiva
Date: February 5, 2013, 2:29 pm
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Yeah :)
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