Ihe njikwa nchekwa maka nchekwa: Usoro ọrụ / akparamagwa
Nchekwa na ijikwa ihe na-akwado ngwaahịa: mmiri. Na-egbu egbu. Corrosive. Na-ere ere. Dị ize ndụ maka gburugburu ebe obibi. Wetaikuku na-agwụ ike na igwe.

Ndụmọdụ na-enye nchekwa
A na-amachi smokingụ sịga, ekwesịrị ị drinkingụ mmanya na ị drinkingụ mmanya. Kwuru usoro na-adịghị mma megide diskicgeges. MegheA ga-eji nlezianya mee ihe dị ka ọdịnaya nwere ike nrụgide. Nye ihe dị nso na-aga. Nye ndị na-eme mmiri, anya na-eme. Nye ihe eji eme mmiriisi ihe. Ejila ikuku maka nnyefe. Machibidoro isi mmalite niile na ọkụ - anaghị a smokeụ sịga. Jiri naanị mpaghara nwere mgbawaakụrụngwa na-egosi.

Hygie ogologo
Machibidoro ịkpọtụrụ anụ ahụ na anya na inhalation nke vapors. Mgbe ị na-eji erila nri, ị drinkụ mmanya ma ọ bụ anwụrụ ọkụ.
Jiri aka saa aka. Wepụ uwe ndị merururị na ngwaọrụ nchebe tupu ịbanye na iri ebe.

Ọnọdụ maka nchekwa nchekwa, gụnyere ihe ọ bụla na-enweghị atụ:
Debe nkụ, dị jụụ na nke ọma. A ga-eji nlezianya dozie ya ma na-edozi idozi ma gbochie mkpọsa.
Chekwaa onwe gị pụọ na mmiri na okpomoku. Wepu isi mmalite niile. Nye ihe ndọtị na mpaghara a bupụtara. Nyefee ala na-enweghị isi.
Nye ihe eji egbochi mmiri. Nye ihe eji arụ ọrụ na akụrụngwa na akụrụngwa eletrik na-akwụ ụgwọ na ikuku na-agbawa.
Edobela n'elu: 50 Celsius C

Ngwaahịa ndị na-ekwenyeghị:
Ndị ọrụ oxiding siri ike, perchlorates, nitrates, peroxidede, acids siri ike, mmiri, ngwa ngwa na-emeghachi omume na alkalineGburugburu ebe obibi, nitrites, nitrous acid - nitrates - oxygen.