Tirpimas medžiagų
Authored by Tatjana Radzevičienė
Chemistry
9th Grade
Used 13+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koks reiškinius yra joninių junginių kristalų tirpimas vandenyje?
fizikinis
cheminis
fizikinis ir cheminis
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hidtatuoti jonai -
jonai esantis tirpale ir apsupti vandens molekulių.
jonai turintis vandenilinius ryšius
jonai savo savybėmis panašus į vandenį.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hidratacija -
vandens molekulių prisijungimas prie jonų.
procesas kai vandens molekulės ardo kristalą
kai jonai pereina į tirpalą
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Disociacija -
Joninio tirpalo skaidymas į jonus
joninio lydalo skaidymas į jonus
joninio tirpalo ar lydalo skaidymas į jonus
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kristalų išardyti sunaudojama šilumą
Taip
Ne
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hidratacijos metu išsiskiria šilumą.
Taip
Ne
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Medžiagų tirpumas yra fizikinis ir cheminis procesas.
Taip
Ne
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