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about occurence,properties of the following metal copper.gold,mercury
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
i am not able to understand difference between emphasising and reflexive pronoun
Borax bead test : The transparent glassy bead while heated along with inorganic salt and the colour produced gives some idea of cation present in it. Table:
give the mechanism of additin of HCN to acetaldehyde?????
Types of Substituents which Produce Directive Effect There are two kinds of substituents which generate directive effect are, (i) Those that direct the incoming group to ort
Q. Explain Ellingham Diagrams? Ellingham studied the variation of standard free energy change for the formation of a number of compounds, e.g., oxides, sulphides and chlorides,
How does nitric acid reacts with metals in different concentrations?
Q. What are the diffrent forms of energy? Ans: Kinetic energy is energy of motion. Gas molecules of a given substance move much more rapidly than do the molecules in the soli
Q. Explain emanation spectrum of an atom? The emanation spectrum of an atom indicates that the energy it emits is quantized meaning that only certain quantities of energy can b
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