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Electronic configuration 1s2 2s2 2p6 3s2 3p6 3d5 4s1 represents:
(1) Ground state
(2) Excited state
(3) Anionic state
(4) All of these
Ans: Ground state
how was the magnitude of electric charge concluded?
Low grade oxide, sulphide and carbonate ores of copper are treated with dilute sulphuric acid in the existence of oxygen: CuO+ H 2 SO 4 ------------------> CuSO 4 + H 2 O CuC
What is difference among silica used in TLC and HPLC column? Ans) TLC is known as thin layer chromatography. The simple methods works on the principle of adsorption, where as HP
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
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what are some instruments used in electrogravimetry?
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