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equation of hess''s law
what is flame coloration?
hoe to find electronic configuration of elements
Calculate the activity co-efficient? The solubility of gaseous O 2 at a partial pressure of 1.01 bar and a temperature of 310.2K, ex- pressed as a concentration, is 1.07 *10 -
An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6 (2) 2 (3) 3 (4)4 Ans: 4
Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
alkaline earth metals
information of boron element
In how many chlorines does Slicon bound The sito four chlorines, and is thus tetrahedral. The Cl-Si-Cl bond angle is 109.5°.
The difference among Threshold energy and average energy of the molecules is known as activation energy.
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