Introduzione alla chimica
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Alessia Ferrario
Used 5+ times
FREE Resource
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
L'unità di misura della massa nel Sistema Internazionale è il ...
chilogrammo
Newton
grammo
Joule
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In notazione scientifica, il numero 0,00364 diventa ...
3,64 x 10^2
3,64 x 10^3
3,64 x 10^-2
3,64 x 10^-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero 37073 arrotondato a 3 cifre significative diventa ...
37000
370
3,71 x 10^4
4,01 x 10^4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Il numero 7,314 x 10^2 in notazione ordinaria diventa ...
731,4
73,14
7134
0,07314
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Quale dei seguenti valori esprime la massa maggiore?
6,10 g
61,0 mg
6,10 x 10^4 mg
0,0061 kg
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Dalla moltiplicazione (4,36 x 10^-2) x (3,17 x 10^4) si ottiene il prodotto ...
1,38 x 10^2
1,38 x 10^3
1,38 x 10^-2
1,38 x 10^5
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Una bilancia ha sensibilità 0,01 g. Se sul display si legge il valore 6,99, la massa misurata ...
è compresa tra 6,99 g e 7,00 g
va espressa con 3 cifre significative
è esattamente 6,99 g
può essere registrata come 7 g
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