FORMULACIÓ
2nd Grade
•20 Qs
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FORMULACIÓ
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Medium
FRANCESCA CLADERA
Used 19+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina és la fórmula de l'amoníac?
NH4
H3N
NH3
PH3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina és la fórmula del salfumant (àcid clorhídric amb aigua)?
HClO3
HCl (aq)
ClH (aq)
HClO
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quin producte de neteja es correspon amb la següent fórmula: NaClO3?
Lleixiu
Amoníac
Salfumant
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
L' òxid de cobalt(II) utilitzat en la fabricació de ceràmiques com a substància colorant té per fórmula:
Co2O3
CoH2
OCo
CoO
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina és la fórmula de l'òxid d' alumini?
Al2O
Al2O3
Al(OH)3
O3Al2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quin dels següents noms correspon a la fórmula: PH3 i s'utilitza per fumigar?
Potassi
Hidrur de potassi
Fosfà
Òxid de potassi
Hidrur de fósfor
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quina de les següents fórmules correspon a l'hidrur de calci?
H2Ca
CaH2
KH
ClH
ClH2
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