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GEOCHEMISTRY
The chemical processes taking place in the crust are especially important as they have build ores, concentrated mineral deposits that are exploited industrially as sources of specific components and their elements. Summarizes the principal chemical forms in which each element perform. At least half the elements prepare in the crust as oxides (mostly complex ones such as silicates) or less commonly as halides, and are called lithophiles. All the bigger electropositive metals are in this class. Chalcophiles are components present in sulfide minerals; these include some elements chemically same to sulfur (As, Se) together with less electropositive metals of the later post transition and transition metal groups.
Fig. 1. The periodic table showing the principal types of chemical compound occurring for elements at the Earth's surface.
Method for Detection of Elements - Oxygen There is no any type of satisfactory qualitative method for the detection of oxygen. Though, its presence can be inferred indirectly.
Trans -Isomer of a substance is more stable than Cis-Isomer.
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How to write chemical formula of hydrogen peroxide
A liquid stream containing half n-hexane and half n-pentane at 80°C and 5 atm is fed at a rate of 100 mol/hr to a flash evaporator operating at pressure (P) and 65°C. The decrease
The quantity of heat liberated of absorbed when one mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formatio
OSTWALDS DILUTION LAW IS APPLICABLE TO WHAT
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
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what is the principle of EDTA titration?
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