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CBSE Notes 2011-2012

Physics

ray optics and optical instrument

top conceptslaw

physics

this is foe class 12

Electric charge and fields

this is for 12th standard some theory notes

PHYSICS TEST CLASS 10 CBSE

THIS TEST IS BASED ON NCERT. OBJECTIVE QUESTION ARE TOO IMPORTANT TO SCORE GOOD RESULTS

Esters

Esters are derived from carboxylic acids. A carboxylic acid contains the -COOH group, and in an ester the hydrogen in this group is replaced by a hydrocarbon group of some kind. This could be an alkyl group like methyl or ethyl, or one containing a benzene ring like phenyl.

sample

anybody send m ssmples of10

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