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CBSE Notes 2011-2012

Periodic Classification of Elements: Notes

Here are some notes for the chapter "Periodic Classification of Elements", Chemistry Class X. All the notes were typed, so excuse me if there are spelling mistakes.:)

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yashkela57's picture
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thnz

thnzzzzz for this because mendeleev ne to dimag hi kharab kar diya tha!!!!!!!!!!

yashkela57

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Joined: 18/01/2012
Sometimes, I think that the

Sometimes, I think that the great scientists and mathematicians discovered great things only to irritate us!!!!

---Ash