UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Akaga
Barium Oxide: Witherite Burned with Charcoal
Witherite is native barium carbonate. Heated very strongly, at 1000 °C and over, with charcoal, it gives off carbon dioxide and leaves barium oxide, a white powder that draws water from the air. It is the first step to barium peroxide and hydrogen peroxide. Barium compounds are poisonous if swallowed: wear a mask and gloves.
The picture: barium oxide in a dish.
Hejuru
A day
Ibirimo biteje akaga
Iki gikorwa kirimo imikorere yangiza. Injira hanyuma ufungure ibikoresho byangiza mu igenamiterere ryawe kugira ngo urebe amabwiriza.
InjiraIki gishushanyo gikora
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