Culoarea apei ?

Apa -amestec de substanțe

Quiz
•
Chemistry
•
7th Grade
•
Medium
Cătălin Miron
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incoloră
Albastră
Albă
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denumirea apei în chimie
Apă distilată
Oxid de hidrogen
HO2
Dioxid de carbon
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Temperatura de fierbere a apei
100°C
212°F
76°C
100°F
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre aceste 2 metode de purificare a apei este mai efectiv
Purificarea naturală
Purificarea tehnologică
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explicați noțiunea de "Filtrare"
Vaporizare (parțială) a unui lichid
Separarea lichidului sau gazului de la particule solide prin strecurarea amestecului printr-un filtru
Așezarea particulelor solide pe fundul vasului
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alegeți procesul de epurare al apei corect (în ordine)
Filtrarea , Dezinfectarea ,Limpezirea și filtrarea prin nisip , Dezinfectarea repetată
Filtrarea,Filtrarea repetată , Limpezirea și dezinfectarea ,filtrarea prin nisip
Limpezirea și filtrarea prin nisip, Filtrarea, Dezinfectarea Filtrarea repetată
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Care este masa molară a apei ?
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