
Periodni sistem
Quiz
•
Chemistry
•
12th Grade
•
Medium
Mateja Godec
Used 14+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaj so alkalijske kovine?
Kovine v prvi skupini periodnega sistema, ki so zelo reaktivne.
Kovine v tretji skupini periodnega sistema, ki niso zelo reaktivne.
Kovine v zadnji skupini periodnega sistema, ki so zelo reaktivne.
Kovine v zadnji periodi periodnega sistema.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katere spojine so najpogostejše sestavine umetnih gnojil?
Spojine magnezija, kalcija in klora.
Spojine natrija, kalija in fluora.
Spojine dušika, fosforja in kalija.
Spojine magnezija, železa in dušika.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kalij reagira z vodo, ki smo ji dodali nekaj kapljic fenolftaleina. Katera trditev je pravilna?
Raztopina nastale spojine je kisla.
Plin, ki nastane pri reakciji, dokažemo s tlečo trsko, ki zagori.
Reakcija poteka počasi.
Po končani reakciji je raztopina obarvana vijolično.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katera trditev o umetnih gnojilih nipravilna?
Uporaba prevelikih količin umetnih gnojil lahko povzroči onesnaženje podtalnice s fosfati in nitrati.
Gnojenje z naravnimi in umetnimi gnojili omogoča povečano pridelavo hrane in s tem zmanjšanje oziroma omejevanje lakote na svetu.
Umetna gnojila vsebujejo predvsem dušikove, fosforjeve in kalijeve spojine, lahko pa tudi druge mikroelemente.
Umetna gnojila vsebujejo klorofil in ogljikovodike, ki jih rastline vgrajujejo v liste.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dane so temperature tališč štirih kovin: platine, zlata, natrija in živega srebra. Katera je temperatura tališča alkalijske kovine?
–38,8 °C
97,7 °C
1064 °C
1768 °C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oksidi litija, kalcija in magnezija z vodo tvorijo
baze.
oksokisline.
soli.
kovinske hidride.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Katera trditev za rubidij ni pravilna?
Rubidij reagira z vodo bolj burno kot kalij.
Rubidijev klorid je dobro topen v vodi.
Rubidij in kalij obarvata plamen rumeno.
Rubidij hranimo v zataljenih ampulah.
Create a free account and access millions of resources
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple

Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
Similar Resources on Wayground
21 questions
2. Názvosloví binárních sloučenin vodíku
Quiz
•
9th - 12th Grade
25 questions
proteiny
Quiz
•
9th - 12th Grade
20 questions
Ionska veza 1.a25
Quiz
•
9th - 12th Grade
21 questions
Mole, avogadro's number and laws of chemical combinations
Quiz
•
8th - 12th Grade
24 questions
FLO132 - Inleiding Milieu
Quiz
•
1st Grade - University
Popular Resources on Wayground
10 questions
Ice Breaker Trivia: Food from Around the World
Quiz
•
3rd - 12th Grade
20 questions
MINERS Core Values Quiz
Quiz
•
8th Grade
10 questions
Boomer ⚡ Zoomer - Holiday Movies
Quiz
•
KG - University
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
Adding Integers
Quiz
•
6th Grade
20 questions
Multiplying and Dividing Integers
Quiz
•
7th Grade
10 questions
How to Email your Teacher
Quiz
•
Professional Development
15 questions
Order of Operations
Quiz
•
5th Grade
Discover more resources for Chemistry
20 questions
Physical or Chemical Change/Phases
Quiz
•
8th Grade - University
10 questions
Electron Configuration, Orbital Notation, & Dot diagrams
Lesson
•
9th - 12th Grade
20 questions
Naming Polyatomic Ionic compounds
Quiz
•
9th - 12th Grade
21 questions
Naming Covalent and Ionic Compounds
Lesson
•
9th - 12th Grade
20 questions
Chem 1 Trends Electronegativity
Quiz
•
9th - 12th Grade
8 questions
Ionization Energy Trends
Quiz
•
9th - 12th Grade
10 questions
Types of Chemical Reactions
Lesson
•
7th - 12th Grade
20 questions
Types of Chemical Reactions
Quiz
•
9th - 12th Grade