
Kāpēc skābes un bāzes ir pretstati?
Quiz
•
Chemistry
•
8th Grade
•
Medium
Laura Martinova
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kā ķīmijas laboratorijā nosaka, ka viela ir skābe?
Pēc vielas garšas
Pēc vielas smaržas
Izmantojot indikatorus
Karsējot
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš no dotajiem oksīdiem nav bāziskais oksīds?
CaO
Li2O
SO3
FeO
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nemetāls reaģē ar ūdeņradi. Iegūto gāzi šķīdina ūdenī. Kuru skābi var iegūt pēc šāda paņēmiena?
H3PO4
H2SO3
HNO3
HCl
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kāds ir vielas Ca(NO3)2 nosaukums?
Kalcija hidroksīds
Kalcija karbonāts
Kalcija oksīds
Kalcija nitrāts
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kura bāze ir ūdenī nešķīstoša?
KOH
Pb(OH)2
Ba(OH)2
LiOH
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kurš pH liecina, ka šķīduma vide ir skāba?
pH=7
pH=10
pH=5
pH=8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kura no dotajām vielām ir sāls?
SiO3
Mg(OH)2
HCl
MgS
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