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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.
electron affinity of nitrogen is positive but of phosphorus it is negative why I that
type and explain the methods
In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.
Q. Show the Occurrence of the f-block element? Apart from promethium which is unstable and is found in traces in uranium ores, all the lanthanides usually occur together. Altho
GROUP 12: ZINC, CADMIUM, AND MERCURY Group 12 substance have the electron design ( n -1) d 10 ns 2 with n =4, 5 and 6 for Zn, Cd and Hg, respectively. They are formally pa
Be 2+ is isoelectronic with: (1) Mg 2+ (2) Na + (3) Li + (4) H + Ans: Li +
what are anomalous behavour of aluminium
What impact does Chemistry have on linguistic anthropology?
How are formalin and trioxane related to methanol?
In electrochemical series moving down the table the ease of discharge at cathode increases.why? And what is ease of discharge
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