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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 whic
Calculate how the internal energy stored in one O-H bond of H20 Consider the following chemical reaction H20(g)-->2H(g) + O(g) at 298.15 K and 1.00 Bar fH* [H(g)]=218.0 kJ/mole fH*
mention the basic tendency of an atom which makes it to combine with other atoms.
Why rate of reaction in zero order is independent of concentration? Solution) Where r is the reaction rate and k is the reaction rate coefficient with units of time / concentrat
list the elements that have all 3 properties: lustre , malleabbility and conductivity
discovery of neutron becomes very late because
Preparation of alkene
reaction of bisulphite with acid chlorides
Test of proteins - Biuret test (i) Biuret test : By adding a dilute solution of copper sulphate to alkaline solution of protein, a violet colour is made. This test is because o
chemical equation of K2CO3+CH#CH@OH+I2
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