This task has a goal to engage the student to discover the sodium hydroxide properties by chemical reactions with acids.


equipment: spawners, destroyer, tablet, thermometer
glassware and items: erlenmeyer flask 250 ml, spatula
solutions and liquids: NaOH 1M, HCl 1M, H₂SO₄ 1M
solids: NaOH, NaCl, P₂O₅, CrO₃
indicators: phenolphthalein, methyl orange, litmus
test area (autochecker) label: "reactions products"