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Redox Reaction : MCQ test | Mock Test

Dear students solve following MCQ based upon Redox reaction . Submit your Answers in comment section. 1. What will be the absolute oxidation number of  Cl  in Bleaching Powder –          a.  0 , 0                    b 1,1             c. +1 & -1              d. None of these                 2 .  What is the oxidation number of Br in the BrO 3 -  ion?         a.            -1       b.  1        c.    +5        d.   -5      e.  +7 3. What kind of reaction is Cl 2...

Extraction | General Principles of Isolation of Elemenets

Extraction means separation of metal from its ore. Major process during extraction are - 1. Crushing & Pulverisation 2. Concentration 3. Oxidation 4. Reduction 5. Refining of Elements Video on following link explains the Entire Chapter for class 12 chemistry. Extraction for Class 12 , NEET & JEE . Click here https://unacademy.com/lesson/extraction-part-5in-hindi/HSDOPDJ4 #ChemistryVideo #FreeVideo #NEET #JEE #MockTest

Solid State 2019

How to learn Organic chemistry , Function of Organic reagents

Students organic chemistry is easy when you learn by learning function of reagent. Following video provides notes of function of reagents -

How to prepare for Class 12th Board Exams - CHEMISTRY

Students , It is the high time for exam preparations . Lots of students are suffering from exam anxiety . But at this moment only one thin matters i.e. Smart preparations. Following video explains the easiest method for exam preparations.

Dipole moment , Chemical bonding

Dipole moment determines the polar & non polar character of molecule . It may be defined as the product of either charge & distance between two atoms. Note - Following video will explain entire concept -

Why Ethers are placed in closed bottle .

Ethers reacts with Atmospheric Oxygen & Give Peroxide . These peroxides are explosive.