Acids, Bases and Salts - Class 7 Science Chapter 4 [Full Chapter] 

in this video we are studying class 7 science chapter 4 Acids, bases and salts, in this chapter we are studying different topics like what are acids and bases, what are indicators, natural indicator, neutralization, neutralization in everyday life.
Acids, Bases and Salts - Class 7 Science Chapter 4 [Full Chapter]
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