
Dori moddalar eritmalarining tiniqligi, loyqaligi va ranglilik d
Authored by Islom Karimov
Chemistry
University
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eritmaning tiniqligini aniqlashdan maqsad nima?
Eritma haroratini aniqlash
Eritmaning rangi va zichligini baholash
Eritmada mexanik aralashmalar yo‘qligini aniqlash
Eritmani qaynash haroratini aniqlash
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tiniqlik baholashda eritmani qanday idishda saqlanadi?
Temir idishda
Shisha silindrda
Plastik butilkada
Metall probirkada
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eritma tiniq bo‘lmasa, u qanday xolatda deyiladi?
Normal
Steril
Loyqa
Barqaror
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ranglilik darajasi deganda nima tushuniladi?
Eritmaning hidi
Eritmaning qovushqoqligi
Eritmaning rang intensivligi
Eritmaning tiniqligi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ranglilikni aniqlashda qanday usul qo‘llaniladi?
Vizual solishtirish usuli
Qaynash usuli
Gravimetrik usul
Suyuqlik xromatografiyasi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eritmalarning rangliligi nechanchi nanometr oralig‘ida baholanadi?
100–200 nm
400–700 nm
800–1000 nm
50–150 nm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dori moddalarning tiniqligini baholashda standart sifatida nima ishlatiladi?
Kofe eritmasi
Distillangan suv
Etil spirti
Kaliy permanganat
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