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Ananya from TAGORE ACADEMY, asked a question
Subject: Science , asked on 17/12/13

important questions for SA2 science exam class 9

EXPERT ANSWER

Shikhar Angirish , Meritnation Expert added an answer, on 21/12/13
Every question is important. We can not specify any single question to be important. You must revise all the question from the NCERT book, you can also practice questions from the test section that is provided in our website. If you find any doubt in any question then come back to us.

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Nanditha Nair From Bharatiya Vidya Bhavan School, added an answer, on 3/3/12
28 helpful votes in Science

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?

FOR MORE QUESTIONS AND ANSWER FOR THIS QUESTION, PLZ THUMBS UP

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Bipradip Dey From Kendriya Vidyalaya No 1, added an answer, on 3/3/12
25 helpful votes in Science

 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.

thumbs up please.

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Ajay Gupta , added an answer, on 31/1/13
6 helpful votes in Science

 what are the chapters important in sa2 for class -9

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Aadhav , added an answer, on 3/3/12
6 helpful votes in Science

i 'm a teacher and i want to teach my students with those questions for preparing them for exam

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Allan Mathew , added an answer, on 10/11/12
1 helpful votes in Science

 if  u get it ,please send me.

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Umakant Biswal From Prabhujee English Medium School, added an answer, on 5/11/12
48 helpful votes in Science

 what is my name

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Aadhav , added an answer, on 3/3/12
6 helpful votes in Science

plzz say

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Allan Mathew , added an answer, on 10/11/12
1 helpful votes in Science

 i am a student . please send me some sample papers for sa 2

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