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owwise.com is a plate form to provide you easy notes to get good grades in 9th CHEMISTRY. These notes are compiled specially for those students who face confusion in preparing extra and important question in exams preparation. Important questions are highlighted so that students can get help in preparing exam as well as teachers to set paper or tests for their students.
CHAPTERS
Here notes of following chapters are given:
Unit#1:Nature of Science in Chemistry
Unit#4: Periodic Table and Periodicity of Properties
Unit#10: ACIDS, BASES, AND SALTS
Unit#11: Environmental Chemistry – Air
Unit#12: Environmental Chemistry- Water
Unit#16: Empirical Data Collection and Analysis
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Ilm Ki Pyaas