
compito 1F
Authored by Stefano Cannioto
Chemistry
12th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
indica l'intervallo della scala del pH
0-100
0-7
7-14
0-14
0-50
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Quando affermiamo che il valore di pH di una sostanza è basso vuol dire che ci troviamo di fronte a
una base
un acido
una sostanza alcalina
acqua distillata
nessuna delle risposte
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Che colore assume il succo di cavolo rosso in ambiente acido
rosa/rosso
verde
nero
blu
incolore
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Quale strumento economico utilizziamo per misurare il pH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è il nome dello strumento a sinistra e qual è la sua portata
cilindro, 500 mL
Pipetta tarata, 0,5 L
matraccio, 0,5 L
matraccio, 50 mL
becher, 500mL
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cosa è una soluzione in chimica
miscuglio eterogeneo
miscuglio omogeneo
la risposta a una domanda
la somma di due soluti
nessuna delle risposte
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quanti grammi di NaCl devo "pesare" per ottenere 250 mL di soluzione fisiologica allo 0,9%
10 g
0,9 g
2,25 g
1,8 g
5 g
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