Educational: pH Patra ka upyog kar Padarthon ke vilyanon tatha phalon ke ras ka pH gyat karna

pH Patra ka upyog kar Padarthon ke vilyanon tatha phalon ke ras ka pH gyat karna
pH paper ka upyog karke Thosh ya Phalo ke ras ke vibhinn samadhano ke anumanit pH maan gyat kiye jate hai.
via YouTube https://www.youtube.com/watch?v=fOEuVxZFg_Y