important questions for SA2 science exam class 9
i 'm a teacher and i want to teach my students with those questions for preparing them for exam
Please check the upload tests and notes butoon,I and a lot of my friends had uploaded a lot of notes sample papers and blue prints.
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Bipradip Dey(student)on 3/3/12
The avg atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes 16X8 and 18X8
in the sample?
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Nanditha Nair(student)on 3/3/12
what is my name
Umakant Biswal(student)on 5/11/12
i am a student . please send me some sample papers for sa 2
Allan Mathew(student)on 10/11/12
if u get it ,please send me.
what are the chapters important in sa2 for class -9
Ajay Gupta(parent)on 31/1/13
Shikhar Angirish(MeritNation Expert)on 21/12/13
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