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ID number:468688
 
Author:
Evaluation:
Published: 29.09.2008.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Ķīmiskā formula- K20
Cieta, gaiši dzeltena viela
Iegūst oksidējot nelielus daudzumus kālija ar maziem daudzumiem gaisa skābekļa, lai novērstu peroksīda veidošanos.
4K+02 2K2O
K2O var iegūt tikai netieši. Tas ir ļoti nestabils savienojums.

Izmantošana
Kālija oksīdu lieto par neorganiskās sintēzes izejvielu.…

Author's comment
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