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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.
The electronic configuration of gadolinium (atomic no. 64) is: (1) [Xe]4s 8 5d 9 6s 2 (2) [Xe] 4s 1 5d 1 6s 2 (3) [Xe]4s 3 5d
Q. What is the use of Gallium? Gallium is mainly used in semiconductor technology. It is used for doping other semiconductor and in solid state devices such as transistors.
1. In water softening, which of the precipitates will settle out? 2. For particle sizes larger than 1μ in size 3. In non-ideal type II settling 4.The most usually used me
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how does salt bridge works??
BIOINORGANIC CHEMISTRY Life is sometimes thought of as 'carbon chemistry', but around 25 components are essential for life. It is normal to divide these into trace elements an
Labelled analyte & reagent curve nature
The maximum energy is present in any electron at: (1) Nucleus (2) Ground state (3) First excited state (4) Infinite distance from the nucleus Ans: Infinite dis
Q. Explain Pauli Exclusion Principle? When assigning electron configurations, it is essential to consider the two important principles concerning electrons in orbitals:
Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was cla
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