Chapter 5 (Acids, Bases and Salts) of Class 7 Science NCERT Book (PDF) is available here for download in PDF format. Get it now & prepare for CBSE Class 7 Science exam. It is one of the most important ...
Science is a subject which rules are easily applied in our day-to-day life. Here, there, and everywhere around us is an example of science such as air around us, water around us, food that we consume, ...
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