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Which of the following compounds are covalent:
(1) H2
(2) CaO
(3) KCL
(4) Na2S
Ans: H2
Aromaticity or aromatic character The characteristic behaviour of aromatic compounds is termed as aromaticity. Aromaticity is due to the extensive delocalisation of p-electron
Copper crystallizes into a FCC structure and the unit cell has length of edge 3.61 x10-8 cm. Calculate the density of copper if the molar mass of Cu is 63.5 g
Why is ammonium (NH4) seperately placed in zeroth group in detection of basic radical in qualitative analyisis?
What are ferrox cubes and ferrites? How are mixed ferrites prepared for industrial uses? Give an account of applications of ferrites pointing out their advantages over a ferromagne
When sodium and chlorine reacts then: (1) Energy is released and ionic bond is formed (2) Energy is released and a covalent bond is formed (3) Energy is absorbed and ioni
Which one is most stable form of 1,3 Di tertiary butyl cyclohexane?
how do you find mass of chlorine in sample (by difference)
lithium and beryllium markedly differ from other members of their respective groups.
what is AAS
Salt bridge is a U-shaped tube containing a semi-solid paste of some inert electrolyte like KCl, KNO 3 , NH 4 Cl, etc. in agar-agar and gelatin. An inert electrolyte is one which
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