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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.
define packing of atoms...
how to find hybridisation?i want shortcut or any trick
Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure
preparation and structure of xenon fluorides
what is benzene hexa chloride and its uses?
Vapour pressure of water at 293 k is 17.535mmHg calculate the vapour pressure of water at 293 k when 25g of glucose is dissolved in 450 g of water?
Q. Explain Le Chtelier's Principle Ans. Consider the equilibrium reaction of: A + B -> C + D The forward reaction occurs when A and B combine to form C and D: A +
The table below gives intrinsic viscosity values determined by viscometry and weight- average molar mass values determined under the same conditions by static light scattering.
Are Facial & Meridinal optical active?
Name the Which is a covalently bonded crystal? germanium
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