اختبر نفسك 💊
1.23K subscribers
37 photos
16 files
37 links
تحتوي القناة على اختبارات للمحاضرات مرحلة الثانية و الثالثة دفعة 88 و 89
الاسئلة من أعداد صادق حسين و زيد ابراهيم و محمد العنبكي و حسين منصور وآخرين
Download Telegram
Forwarded from Questions
Phenol react with halogens without catalyst because:
Anonymous Quiz
32%
a) The lower reactivity of Phenols.
68%
b) The higher reactivity of Phenols.
Forwarded from Questions
Arenes are soluble in water.
Anonymous Quiz
38%
T
62%
F
Forwarded from Questions
One of disadvantages of friedel craft alkylation is the danger of polyalkylation.
Anonymous Quiz
60%
T
40%
F
Forwarded from Questions
Which of the following cannot undergo friedel crafts alkylation?
Anonymous Quiz
18%
a)Nh2
14%
b)Cooh
18%
c)OH
50%
d)Both a) and b)
Forwarded from Questions
Acyl compunds undergo electrophile substitution reactions.
Anonymous Quiz
70%
T
30%
F
صيدلة فيزياوية د. خالد محاضرة 6 كورس اول
Forwarded from Questions
1) At lower altitudes the boiling point will ----
Anonymous Quiz
43%
a) Increase.
37%
b) Decrease.
20%
c) Stay the same (🙂غلط والله)
Forwarded from Questions
3) When the size of surface area of compounds increases the boiling point will decrease.
Anonymous Quiz
38%
T
63%
F
Forwarded from Questions
4) ---- compunds have definite shape and definite volume.
Anonymous Quiz
22%
a) Gaseous
74%
b) Solid
4%
c) Liquid
Forwarded from Questions
5) ---- particles are in highly ordered arrangement.
Anonymous Quiz
70%
a) Crystalline solids
22%
b) Amorphous solids
9%
c) None of them
Forwarded from Questions
6) Nacl is an example of crystalline solids.
Anonymous Quiz
82%
T
18%
F
Forwarded from Questions
7) Ice is type of ----- solid.
Anonymous Quiz
26%
a) ionic
17%
b) Covalent network
57%
c) Molecular
Forwarded from Questions
8) Diamonds have high melting points.
Anonymous Quiz
88%
T
13%
F
Forwarded from Questions
9) Metallic crystals are stronger than covalent crystals.
Anonymous Quiz
48%
T
52%
F
Forwarded from Questions
10) -----crystals have good conductors of heat and electricity.
Anonymous Quiz
9%
a) Molecular
27%
b) Covalent
64%
c) Metalic
صيدلة فيزياوية د. خالد محاضرة 7 كورس اول
Forwarded from Questions
1) ----- is the tempreture a liquid passes into the solid state.
Anonymous Quiz
8%
a) Boiling point
8%
b) Melting point
54%
c) Freezing point
31%
d) Both b) and c)
Forwarded from Questions
2) The relationship between pressure and freezing point or melting point can be expressed by using a form of clapeyron equation.
Anonymous Quiz
83%
T
17%
F
Forwarded from Questions
3) ------ is the amount of heat absorbed when 1 mole of the solid changes into 1 mole of liquid.
Anonymous Quiz
50%
a) Molar heat of fusion
41%
b) Heat of fusion
9%
c) None of them