
Chemijos testas: Druskos
Quiz
•
Science
•
9th Grade
•
Medium
Tomas Dūminis
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kas sudaro druskas?
Metalas ir deguonis
Vanduo ir druskos
Rūgštis ir bazė
Metalo jonas ir rūgšties liekana
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra valgomoji druska?
KCl
MgCl2
CaCl2
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra druskų pavadinimų sudarymo principas?
Teigiamų ir neigiamų krūvių suma turi būti lygi nuliui
Visos druskos turi būti tirpios
Druskos visada turi būti baltos
Druskos negali turėti vandens
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra druskų naudojimas maisto pramonėje?
Konservavimas
Transportavimas
Gamyba
Pakuotė
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra kalcio karbonato reakcijos su rūgštimi produktas?
NaCl
O2
H2O
CO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks reagentas naudojamas chlorido jono atpažinimui?
HCl
AgNO3
NaOH
BaCl2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks yra natrio jono atpažinimo požymis?
Raudona liepsna
Geltona liepsna
Žalia liepsna
Mėlyna liepsna
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