أسئلة الكيمياء - الصف العاشر
Authored by ممدوح توفيق
Science
8th Grade
Used 1+ times
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44 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct formula for the bromine molecule?
Br2
Br
B2
B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following alternatives is correct to describe the states of matter for halogens at room temperature and standard pressure?
Solid, Liquid, Gas
Liquid, Solid, Gas
Liquid, Gas, Solid
Gas, Liquid, Solid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you observe when iodine is displaced from its solution by chlorine?
Precipitate
Gas bubbles emitted
The solution becomes darker
The solution becomes lighter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color do you expect for fluorine?
Orange
Yellow
Red
Brown
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The statement that applies to astatine is:
It has a smaller density than iodine
It has a lower boiling point than iodine
It displaces iodine from a solution containing iodide ions
It has a higher melting point than iodine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the expected results of the student's experiment?
Iodine, Water, Bromine
Iodine, Water, Chlorine
Bromine, Water, Chlorine
Chlorine, Water, Iodine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the expected outcome for this student's experiment?
A
B
C
D
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