① Cov ntaub ntawv tseem ceeb ntawm cov khoom siv: granules, hmoov, zoo hais, sludge, crystals, kua, muab tshuaj txhuam, ncua kev kawm ntawv, tov, nruam nplooj ntawv, tuab daim hlau, cov ntaub ntawv tsis zoo (me me los yog loj), viscous los yog blocky, thiab lwm yam.
② Cov zis nruab nrab: kev ua haujlwm tsis tu ncua pub lossis cov khoom lag luam, kev ua haujlwm sib cuam tshuam pub lossis cov khoom lag luam, thiab lawv qhov kev hloov pauv, thiab lwm yam.
③ Khoom particle yam ntxwv: nruab nrab particle loj, particle loj tis, particle ntom, bulk ntom, rehydration muaj peev xwm, thiab lwm yam.
④ Cov ntsiab lus noo noo ntawm cov khoom nkag thiab qhov hluav taws xob: qhuav hauv paus, ntub dej.
⑤ Cov khoom siv: tshuaj lom neeg, biochemical, kev ua haujlwm ntawm microbial, kub rhiab heev (melting point, iav hloov kub), noo noo nqus isotherm (equilibrium noo noo cov ntsiab lus), thiab lwm yam.
⑥ Lub sij hawm ziab: ziab nkhaus, cuam tshuam ntawm kev khiav hauj lwm tsis.
⑦ Cua sov hom: hu rau txoj kev (direct, indirect).
⑧ Kev xaiv roj: ncu, thee, hluav taws xob, roj, roj.
⑨ Cov khoom siv ziab khaub ncaws: kiv cua, cov khoom siv plua plav qhuav, cov plua plav ntub dej, cov khoom noj khoom haus, cov khoom xa tawm, cov khoom tiav txias thiab cov khoom siv thauj khoom, thiab lwm yam.
⑩ Cov kev cai tshwj xeeb: cov khoom siv, corrosiveness, toxicity, non{0}}aqueous solutions, flammability thiab explosiveness limits, ignition point, color, structure, fragrance.
