
Soli
Authored by Evka Omasta
Chemistry
8th Grade
Used 5+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soli sú zložené z:
katióna kovu a anióna kyselinového zvyšku
katjóna kyselinového zvyšku a anióna kovu
kyseliny a hydroxidu
Katióna nekovu a anióna kovu
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Fyzikálne vlastnosti chloridu sódného sú:
nerozpustné vo vode
jedovaté pre plesne
biela farba
modrá farba
rozpustné vo vode
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Vypočítaj relatívnu molekulovú hmotnosť (Mr) uhličitanu sódného- Ar(Na)=23, Ar (C) =12, Ar(O )= 16
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soľ dusičnan sódný sa používa ako:
stavebný materiál
ničenie škodlivých mikroorganizmov v poľnohospodárstve
príchuť do jedál
konzervovanie mäsa
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Neutralizácia je reakcia
kyseliny a zásady(hydroxidu)
kyseliny a oxidu
kovu a nekovu
zásady a nekovu
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Soli menia farbu :
modrého lakmus papieru
červeného lakmus papieru
oboch -aj červeného aj modrého lakmusa
nemenia farbu lakmus papierov
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Látka NaHCO3 sa menuje
sóda
uhličitan sódný
sóda bikarbona
hidrogén uhličitan
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