
cheminiai indai
Authored by Saulė Savickaitė
Chemistry
8th Grade
Used 4+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kam skirtas mėgintuvėlis?
Distiliavimui
Tūriui matuoti
Atlikti chemines reakcijas su nedideliais medžiagų kiekiais
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kurioje kolboje skysčiai kaitinami,nes dėl dugno formos šiluma pasiskirsto tolygiai?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kuri kolba naudojama tikslios (molinės) koncentracijos tirpalams paruošti?
Plokščiadugnė kolba
Viurco kolba
Matavimo kolba
Apvaliadugnė kolba
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Koks cheminis indas naudojamas distiliuoti? Vidiniame indo vamzdelyje kondensuojasi distiliuojamo tirpalo komponento garai, o išoriniame vamzdelyje teka vanduo, kuris tuos garus atšaldo.
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Kuri kolba su atšaka yra skirta distiliuoti? Distiliuojant, joje užvirinamas tirpalas, o lakesnio tirpalo komponento garai išeina pro atšaką ir kondensuojasi prie kolbos prijungtame šaldytuve.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kas yra skirtas filtruoti? Į jį įdedamas filtro popierius, pro kurį filtruojama.
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Kaip vadinamas stovas naudojamas įvairiems indams įtvirtinti?
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