HAPPED
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Elve Luik
Used 11+ times
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56 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Happed on ained, mis
ei reageeri millegiga
annavad lahusesse vesinikioone
on maheda maitsega
ei ole söövitavad
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mida tähendab antud ohutusmärk?
Plahvatusohtlik
Mürgine
Söövitav
Sobib kätele määrimiseks
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kõigi hapete koostisesse kuuluvad
vesiniku aatom
lämmastiku aatom
süsiniku aatom
hapniku aatom
4.
MULTIPLE SELECT QUESTION
1 min • 3 pts
Kõige tugevamad happed on
H2SO4
HNO3
HCl
H2CO3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kui tugevat hapet läheb naha peale, peab
seda pesema vaid veega
valama peale veel hapet
loputama seda söögisooda lahusega
mitte midagi tegema
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Happe ja vee kokku segamisel tuleb
valada vett happesse
lisada vähehaaval hapet veele
need korraga valada ühte anumasse
hapet ja vett ei tohi üldse kokku segada
7.
MULTIPLE SELECT QUESTION
1 min • 2 pts
Hape koosneb (vali kaks)
vesinikioonist H+
vesinikioonist H-
happe anioonist (negatiivse laenguga)
happe katioonist (postiivse laenguga)
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