Ponovimo
Chemical Solutions Quiz
Test your knowledge of chemical solutions with our engaging quiz! Explore fundamental concepts about solvents, solutes, and solution behaviors. Perfect for students and enthusiasts alike!
- 10 multiple choice questions
- Understand the qualities of solvents and solutes
- Learn about saturation and solution dynamics
Raztopina je primer
Čiste snovi
Elementa
Zmesi
Spojine
Katera snov, od navedenih, je topilo?
Sol
Voda
Topljenec je:
Snov, ki se v topilu raztopi.
Voda
Snov, ki raztopi druge snovi.
Sladkor se bo prej raztopil, ĝe:
Ne mešam.
Postavim kozarec v hladilnik.
ĝe ga zdrobim v manjše delce.
Ga dolgo opazujem.
Podatek o topnosti neke snovi nam pove:
Koliko te snovi se raztopi v 200g topila.
Koliko te snovi se raztopi v 200g topljenca..
Koliko te snovi se raztopi v 100g topljenca.
Koliko te snovi se raztopi v 100g topila.
Nasiĝeno raztopino sladkorja prepoznaš po tem, da:
Da nekaj sladkorja ostane na dnu posode.
Se je celoten sladkor raztopil.
Moral bi uporabiti mikroskop, da bi videl razliko.
Ne morem pripraviti nasiĝene raztopine.
Katero snov smo morali segrevati, da raztopina ni bila veĝ nasiĝena?
Sol
Sladkor
V mehki vodi so raztopljeni:
Plini iz zraka in kalcijeve spojine.
Samo plini iz zraka.
Plini iz zraka in magnezijeve spojine.
Kalcijeve in magnezijeve spojine.
Primer mehke vode:
Morje
Mineralna voda
Destilirana voda
Podtalnica
V kateri vodi se ĝistilna sredstva manj penijo?
V mehki vodi
V trdi vodi
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