MISCUGLI, SOLUZIONI, DENSITA'
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'acqua di rubinetto è:
un miscuglio eterogeneo formato da due fasi
un miscuglio omogeneo formato da due fasi
un miscuglio omogeneo formato da una fase
un miscuglio eterogeneo formato da un'unica fase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una soluzione è un miscuglio omogeneo formato da almeno 2 componenti
VERO
FALSO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le soluzioni liquide sono soltanto quelle acquose
VERO
FALSO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'oro di cui sono fatti i gioielli:
è una lega quindi un composto
è allo stato puro
è una lega quindi un miscuglio eterogeneo
è una lega quindi un miscuglio omogeneo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quante sono le cifre significative in: 0,02070 ?
2
3
4
6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una moltiplicazione tra misure, il risultato deve avere un numero di cifre significative
uguale a quello del dato che ne ha meno
uguale a quello del dato che ne ha di più
uguale al dato che ha meno cifre decimali
uguale al dato che ha più cifre decimali
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il matraccio in figura ha:
sensibilità 1 mL e portata 100 mL
sensibilità 100 mL e portata 1 mL
sensibilità 100 mL e portata 100 mL
sensibilità 1 mL e portata 1 mL
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