pH et propriétés caractéristiques
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Medium
Mélissa Boucher-Gagnon
Used 84+ times
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13 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Lesquelles de ces substances possèdent un pH acide?
Lait : pH de 6,6
Eau de mer : pH de 8
Sang humain : pH de 7,2
Café : pH de 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De ces substances, laquelle réagira le plus avec un métal?
Shampoing : pH de 9,5
Vinaigre : pH de 2,9
Pluie acide : pH de 5,6
Ammoniaque : pH de 11,5
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un pH de 0 signifie que la substance a un pH neutre
Vrai
Faux
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laquelle de ces propriétés ne correspond pas à une substance basique?
Conduit le courant électrique.
Produit une réaction d'effervescence au contact d'un métal.
A un goût amer
Donne une couleur bleue au papier tournesol rouge.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De ces substances, laquelle possède un pH le plus près d'une substance neutre?
Acide de batterie: pH de 0,8
Eau de mer : pH de 8
Hydroxyde de sodium: pH de 14
Sang humain : pH de 7,2
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un pH de 0 signifie que la substance a un pH neutre
Vrai
Faux
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Parmi les propriétés suivantes, laquelle est une propriété non caractéristique?
Le volume
La température de fusion
La masse volumique
L'acidité
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