avant Noël...
Quiz
•
Science
•
1st - 3rd Grade
•
Practice Problem
•
Hard
Nihale Kadiri
Used 99+ times
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ba(ClO)2. On l'appelle
chlorite de baryum
chlorate de baryum
hypochlorate de baryum
hypochlorite de baryum
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
le borate de manganèse (II)est ...
Bo(MnO4)
Bo(MnO4)2
Mn3(BO3)2
Mn2(BO3)3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l'argent (II) peut former avec du brome
Ag2Br
AgBr2
Br2Ag
BrAg
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
L'hydroxyde de sodium est utilisé pour fabriquer du savon à haute concentration. On a besoin de 4000 dg de cet hydroxyde. On peut dire qu'on a donc besoin de
10 mol
6.10exp 24 molécules
1/10 mol
lavande également pour le parfum naturel
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Dans une recette de cuisine, je dois utiliser du sucre, saccharose. J ai fais mes calculs, il y a 3,42 g de saccharose - C12H22O11 - par biscuit. Je mange donc
6.10exp21 molécules
6.10exp23 molécules
0,01 moll
1mol
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
légende... Le numéro 1 est
le noyau
l'ADN
le nucléole
le nucléoplasme
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
je suis
une cellule eucaryote animale avec des lysosomes
une cellule eucaryote végétale avec des chloroplastes
une cellule eucaryote végétale avec des vacuoles
je suis une bactérie
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