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During a flame test why is calcium''s flame not persistent, while that of strontium is?
Ans) Because it does not have many ions as compared to the Strontium. It is the ions which produce color.
in which state carbon exist
An excess of NaOH solution was added to 100 ml of a ferric chloride solution. This caused the precipitation of 1.425 gram of Fe(OH)3 . calculate the normality of ferric chloride so
general principal for extraction of metals
explain why Ni(co)4 is known while Ca(co)4 is not known
Certain basic properties of lakes and oceans are important to understanding how they "work". One of these is the density of the water, and its changes. Dense (or heavier) water wan
In early Greece, water was considered one of the four basic "elements" (earth, wind, and fire as the others) in the universe. With the discovery of more basic constituents, the ter
The nature of bonding in graphite is: (1) Covalent (2) Ionic (3) Metallic (4) Coordinate Ans: Covalent
Q. Show Crystal Field Splitting in Square Planar Complexes? In a d 1 or d 2 system the electrons will always go in the 'e' set of orbitals with the release of corresponding a
A crucial step in the Robinson annelation is the elimation of an aldol adduct to form an enone. The elimination of an aldol product can occur in base (it occurs even more readily i
which metal is highly reactive?
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