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EXPLAIN ALLOTROPHY?
What gas form by the hydrolysis of CaCN 2 ? Write down the equation of the reaction of CaCN 2 with water.
ionic bond
What is hydrometallurgy
The elements of this group form a number of compounds with halogens. The halogen compounds of S. Se, Te and Po are called as halides. For oxygen, only the fluoro compounds
Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
The number of electrons which can be accommodated in an orbital is: (1) One (2) Two (3) Three (4) Four Ans: Two
why we consider carbon as standared for atomic mass unit
What are the compounds having at least single chiral centre (asymmetric carbon atom)? Draw their structural formulae (line-bond structures) with all chiral centres marked by an ast
Theories of origin of petroleum : Theories should describe the following characteristics related with petroleum, Its association along with brine or sodium chloride solution. T
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