Скачать или смотреть Valency: Tricks to master valency . For grade 6_12.

Valency: Tricks to master valency . For grade 6_12
Valencies of acidic radical_ basic radicals, valencies of cation and anions.
Relation between sulphate and sulphite, nitrate and nitrite . Concept of biphosphate, bisulphate etc
When to use -ide or i-ite or -ate


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Content by :
Dr Abha Singh , pedagogue, facilitators (chemistry)

She has been associated with educational brands like DPS ( core school) best in NAVI mumbai, Yadavindra public School ( One of best boarding school of Punjab) , Vivek High School Chandigarh, Ryan group Mumbai & DAV school.

She was head of department (chemistry) in DPS Nerul.

She has been Asstt Head examiner for CBSE evaluations, Centre superintendent for AIPMT ( now known as NEET) , Dy Centre Superintendent for JEE ( mains) earlier known as AIEEE & CBSE board examinations.

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