pH1 - Strong Acid, pH5 - Weak Acid, pH7 - Neutral, pH8 - Weak Alkaline, pH14 - Strong Alkaline, Universal indicator paper, Litmus paper, Red - Litmus paper turns this colour to indicate an acid., Blue - Litmus paper turns this colour to indicate an alkali.,

Leaderboard

Estilo ng visual

Mga pagpipilian

Magpalit ng template

Ibalik ng awtomatikong pag-save: ?