
Redox
Quiz
•
Health Sciences
•
University
•
Practice Problem
•
Easy
Palaporn Laithong
Used 2+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ข้อใดคือ Indicator ที่ใช้ในการทำ Redox titration
Ferroin
Methyl red
Eriochrome Black T
Silver Chloride
Thymol Blue
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
จาก monograph ต่อไปนี้ ข้อใดคือ reducing agent
Sulfuric acid
Iodine VS
Ascorbic acid
Starch TS
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
จาก monograph ของ Ascorbic acid จากการวิเคราะห์ปริมาณพบว่าในตัวยามี Ascorbic acid 49.57 mg และในฉลากระบุว่ามี 50 mg จงหา %Label amount (ทศนิยม 2 ตำแหน่ง)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จาก ASSAY ของยา Ferrous sulfate ใช้วิธีวิเคราะห์แบบใด
Non - aqueous titration
Precipitation titration
Redox titration
Residue titration
Complexation titration
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assay : Dissolve 2.5 g of sodium bicarbonate in a mixture of 150 mL of water and 10 mL of sulfuric acid. When effervescence ceases, add about 0.5 g of the substance under examination, accurately weighed, shake gently to dissolve and titrate with 0.1 M ceric ammonium nitrate, using 0.1 mL of ferrous solution as indicator, until the red color disappears. จากข้อความเป็นการวิเคราะห์แบบ redox titration โดยมี indicator คืออะไร
Sodium bicarbonate
ceric ammoniumsulfate
ferroin
Sulfuric acid
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