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Applications of photochemistry in day today life
Table gives some halides and oxides of the 3 d series elements, selected to show the range of stable oxidation states. These follow the similar trends as required in aqueous chem
Q. What do you mean by Dative Covalent Bonds?Dative Covalent Bonds Ans. Sometimes both electrons in the shared pair come from one atom. This type of bond is called a dativ
The series limit for Balmer series of H-spectra is: (1) 3800 (2) 4200 (3) 3646 (4) 4000 Ans: 3646
How do we extract group one alkali metals?
Sphere packing Element structures where chemical bonding is nondirectional are best explained by considering the packing of equal spheres. Close-packed structures are on
Q. Briefly explain about Alloys? Ans. Pure metals are malleable. Metals that are harder, stronger and less malleable are sometimes required. These characteristics may be a
Why a covalent bond is directional? The covalent bond is formed as a result of pairing of two electrons in the atomic orbitals of two atoms. The bond then should lie along the
priming and foaming define?
Sources of aliphatic hydrocarbon Mineral or crude oil, petroleum is the dark colour oily liquid along with offensive odour found at several depths in many regions below the sur
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