colour and constitution.., Chemistry

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Replication: The genetic information for the cell is comprised in the sequence of the bases A, T, G and C that are adenine, thymine, guanine and cytosine correspondingly in the

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Formic acid is a weak acid along with a pKa of 3.75. The name comes by the Latin term "formica" ("ant") since this is very plentiful into the secretions of several species of ants,

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When an electron drops from a higher energy level to a low energy level, then: (1) Atomic number decreases (2) Energy is absorbed (3) Atomic number increases (4) Energ

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The electronic configuration of calcium ion  ( Ca2 + )  is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2           (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1

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Why can butyllithium (BuLi) not be used for deprotonation? The direct alkylation of enolates is often not very efficient for a preparative synthesis due to problems with furthe

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The number of orbitals in 2p  sub-shell is : (1) 6        (2) 2        (3) 3        (4) 4 Ans: 3

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Q. What is basic diffrence between heat and temperature? Ans. Heat is energy which flows from hot objects to cooler ones.  It flows because of the temperature difference betw

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