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explain why Ni(co)4 is known while Ca(co)4 is not known
Q. Describe the foaming properties? Foods like meringue, ice cream and beer contain foams. A number of foods possess good foaming properties on account of the proteins they con
#space lattice, unit cell, calculation of particles per unit cell, laws of crystallography, symmetry elements in crystals, derivation of braggs equation#
Explain term 'depletion layer' across a p-n junction Rectifying action of p-n diode can be explained on the foundation of electronic structure of the semiconductor. When a pure
principles of GCMS
Aldehydes and Ketones Carbonyl compounds are of two types, ketones and aldehydes. Both of them comprise a carbon-oxygen double bond frequently known as carbonyl group.
Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
What is the effect of more electronegative atom on the strength of ionic bond: (1) Decreases (2) Increase (3) Decreases slowly (4) Remains the same Ans: Increase
Why does methyl ethanoate not give iodoform test while ethyl ethanoate does? Ans) Iodoform test for esters is the test given by its products on hydrolysis methyl ethanoate give
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