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its principle
The number of unpaired electrons in Fe 3+ (Z= 26) are: (1) 5 (2) 6 (3) 3 (4) 4 Ans: 5
INTRODUCTION : In this exercise you will learn various steps and procedures adopted while purchasing lab-related items. This exercise will acquaint you with practices of preparing
Question 1: (i) With the aid of a diagram, briefly explain the natural environmental system. (ii) Explain the green house effect, and give 2 examples of green house gases
The correct order of increasing energy of atomic orbitals is: (1) 5p (2) 5p (3) 4f (4) 5p Ans: 5p
Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
What is difference among silica used in TLC and HPLC column? Ans) TLC is known as thin layer chromatography. The simple methods works on the principle of adsorption, where as HP
1st A group because the oxides and hydrides are alkaline in nature.
A sample of caco3 and mgco3 weighing 192 g is ignite to constant weight of 10 g. calculate sample composition.
Determine the purpose of Quenching Quenching is most generally used to harden steel by introducing martensite, in which case steel should be rapidly cooled through its eutect
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