4:03
fermentation
Simple Science practicals
Shared 1 year ago
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3:26
acid base titration (HCL And NaOH) using phenolphthalein indicator
37 views
3:15
Preservation of Biological specimen
Shared 2 years ago
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2:36
Diffusion in a non living system
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3:52
soil porosity (water holding capacity)
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