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Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
what are the uses of synthetic elements?
What is T in the indicator Eriochrome Black-T used for the determination of hardness of water?
while gibing the ph and the volume intial and final how do we calculate the number of moles
Q. Show Sulphide Minerals? In these minerals metals are present as their sulphides. For example, iron pyrites (FeS 2 ), calcocite (CU 2 S), chalcopyrite (CuFeS 2 ), zinc blende
names of two reference electrodes
Which of the following ions is not having the configuration of neon: (1) F - (2) Mg +2 (3) Na + (4
first two groups are metal but why hydrogen is placed in first group
decomposition of carbonates
Low value of electrode potential(Mn3+/Mn2+) for scandium shows Sc3+ is stable while comparitively low value of electrode potential(Mn3+/Mn2+) for vanadium shows Vn2+is stable.Why?
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