Apa naturală
Authored by Paula Cosnean
Chemistry
7th Grade - University
Used 1+ times
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7 questions
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1.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Din punct de vedere chimic ap pură conține doar molecule de apă. O metodă de obținere a ei este...
2.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Ce legătură are apa
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Care este compoziția cantitativă a moleculei H2O
4.
MULTIPLE SELECT QUESTION
5 sec • 1 pt
Care apa este destinată consumului uman
apă dură
apă naturală
apă potabilă
apă moale
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Din ce sursă provine apa minerală
forată artificial (sondă)
sursă naturală (izvor)
din piatră
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Apa dură este bogată în...
CO2
Mg2+
N2O
Ca2+
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Câte procente reprezintă apa în masa musculară
80%
75%
86%
68%
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