I always believe that we does not require big labs and costly instruments to learn subjects like science and maths. The only thing we require is CURIOSITY. We can learn maths and science by using simple A4 size sheets, waste cardboards, used pen, refills, pipes, bottles etc.
Nothing is waste every waste thing was once part of some useful thing and when we do not able to think it's another use it becomes WASTE.
"Try to use waste things to make some unique things 😊😊"
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Titration । Preparation of standard solution of Mohr's salt M/20 class 12 chemistry practical file
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