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In which one of the following pairs of experimental observations and phenomenon does the experimental observation correctly account for phenomenon:
(1) X-ray spectra Charge on the nucleus
(2)α -particle scattering Quantized electron orbit
(3)Emission spectra The quantization of energy
(4)The photoelectric effect The nuclear atom
Ans: (c)Emission spectra The quantization of energy
why is lead in both group I and II
Metal absorption by reusable material ?
Which of the following is isoelectronic with carbon atom: (1) Na + (2) Al +3 (3) O 2- (4)N + Ans: N +
What is this characterisation all about?and how do you do it using DNPH?
conclusion on colloid
fitration
Polysaccharide or Starch and cellulose They are polymer of monosaccharide. The most significant polysaccharides are starch and cellulose. They have a general formula that is (C
YES,LiAlH 4 be used to reduce nitro group to amino group in hydrogenation
Why do we have Li2Co3 while other akalie metals behaviour
Alkanes have single bond, but why are they less reactive as compared to alkenes or alkynes which have respectively double or triple bonds ? Alkanes have only single sigma bond w
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