Science TricksPDF Download
Science Tricks
Litmus turns red in acidic solutions and blue in alkaline solutions and is that the oldest and most ordinarily used indicator of whether a substance is an acid or a base.
Phenolphthalein, (C20H14O4), an compound of the phthalein family that’s widely employed as an indicator . As an indicator of a solution’s pH, phenolphthalein is colourless below pH 8.5 and attains a pink to crimson hue above pH 9.0
tags:-o/l science paper 2019,o/l science paper 2020,Ol science,o/l science short notes in sinhala,o/l science paper structure,o/l science lessons sinhala 2020,o/l science lessons tamil,o/l science english medium,o/l science lessons sinhala grade 10,o/l science lessons sinhala,ol science sinhala,ol science tricks,ol science tips,ol science shortnotes,vidyawa ketikrama,piyman hackdat,piyman,o'level,o/l science paper 2019, o/l science paper 2020, Ol science lessons in sinhala, Ol science, o/l science short notes in sinhala, o/l science paper structure, o/l science lessons sinhala 2020, o/l science lessons tamil, o/l science english medium, o/l science lessons sinhala grade 10, o/l science lessons sinhala, Ol, Science, Ol science sinhala, Ol science lessons, Ol science paper discussion, Ol science english medium, Ol science lessons in tamil, Ol science paper discussion english medium, Ol science tamil medium,Ol science short notes in sinhala,Ol science paper structure,Ol science revision,Ol science past paper discussion,Ol science practical,o/l science paper discussion,o/l science revision,o/l science practicals,o/l science past paper 2019 tamil medium,o/l science electronics,piyaman hackdat,piyaman hackdat history,piyaman hackdat sinhala,piyaman hackdat science,piyaman hackdat history grade 10,piyaman hackdat buddhism,peyman hackdat sinhala,peyman hackdat buddhism,piyaman hackdat grade 10,piyman hackdat science
