Forwarded from عقاقير / Exams
in solvent extraction the aim of transferring one or more of the solutes from the solution to the second solvent.
Anonymous Quiz
86%
T
14%
F
Forwarded from عقاقير / Exams
types of Hydro distillation for isolating essential oils from plant materials:
Anonymous Quiz
1%
Water distillation
3%
Water and steam distillation
3%
Direct steam distillation
93%
All
Forwarded from عقاقير / Exams
TYPES OF CLEVENGER TRAPS:
Anonymous Quiz
1%
FOR OILS LIGHTER THAN WATER
2%
FOR OILS HEAVIER THAN WATER
96%
All
2%
non
Forwarded from عقاقير / Exams
يبقى وياني اخر واهم سلايدين بالملزمة
يعني لازم يجي منهم كم Mcq🔥🔥⬇️⬇️
يعني لازم يجي منهم كم Mcq🔥🔥⬇️⬇️
Forwarded from عقاقير / Exams
Forwarded from عقاقير / Exams
Forwarded from عقاقير / Exams
Forwarded from عقاقير / Exams
يبقى الجدول ...طريقة السؤال حسب كلام الدكتورة يجي tow solvents يصير بيناتهم mixture والمطلوب تعرف Low Layer
فحسب الجدول تقارن بين المذبين وتعرف منو الاثقل هوة يصير ب Low Layer 🔥كلش مهم
فحسب الجدول تقارن بين المذبين وتعرف منو الاثقل هوة يصير ب Low Layer 🔥كلش مهم
❤5👍1
نهاية كوز الملزمه الخامسه ( لكجر ١٠ ) 🧡🔥🌚
عمار خلص الكم خمس لكجرات كوزات 🧡🌚
عاشت ايدك عمار حبيبي ما قصرت 🧡🧡
عمار خلص الكم خمس لكجرات كوزات 🧡🌚
عاشت ايدك عمار حبيبي ما قصرت 🧡🧡
❤5
Forwarded from MO (⅃ᓄؤᓄ)
colorful separation of plant pigments was done using a column of potassium carbonate(chalk)
Anonymous Quiz
60%
F
40%
T
❤1
Forwarded from MO (⅃ᓄؤᓄ)
CHROMATOGRAPHY Technique used to separate and identify the
components of a mixture
components of a mixture
Anonymous Quiz
90%
T
10%
F
🔥1
Forwarded from MO (⅃ᓄؤᓄ)
Molecules that spend most of their time in the mobile phase are carried along
Anonymous Quiz
75%
Faster
25%
Slower
👍1
Forwarded from MO (⅃ᓄؤᓄ)
solvent that flows through the supporting medium
Anonymous Quiz
66%
mobile phase
13%
stationary phase
6%
supporting medium
15%
All of the above
Forwarded from MO (⅃ᓄؤᓄ)
supporting medium: a liquid surface on which the stationary phase is bound or coated
Anonymous Quiz
42%
T
58%
F
Forwarded from MO (⅃ᓄؤᓄ)
Adsorbtion: Interaction of solute molecules with the surface of the mobile phase
Anonymous Quiz
75%
F
25%
T
👍1
Forwarded from MO (⅃ᓄؤᓄ)
Forwarded from MO (⅃ᓄؤᓄ)
Resolution: Degree of separation of different solutes
can be improved by using
can be improved by using
Anonymous Quiz
12%
longer stationary phase,
7%
finer stationary phase
4%
slower elution.
77%
All of the above
Forwarded from MO (⅃ᓄؤᓄ)
Forwarded from MO (⅃ᓄؤᓄ)
Adsorption chromatography
Partition chromatography
Ion exchange chromatography Molecular exclusion chromatography
Partition chromatography
Ion exchange chromatography Molecular exclusion chromatography
Anonymous Quiz
57%
On the basis of interaction of solute to the stationary phase
5%
Techniques by physical state of mobile phase
4%
On the basis of chromatographic bed shape
34%
All of the above
👍1
Forwarded from MO (⅃ᓄؤᓄ)
Column chromatography
TLC
Paper chromatography On the basis of chromatographic bed shape
TLC
Paper chromatography On the basis of chromatographic bed shape
Anonymous Quiz
85%
T
15%
F