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Chemical Language
Test Description: Take a journey with Chemical Language
Instructions: Answer all questions to get your test result.
1) The chemical formula of water is
A
H2O
B
HO
C
NH3
D
H2O2
2) The chemical symbol of iron is
A
F
B
Fe
C
I
D
fe
3) The chemical name of the compound represented by the formula NH3 is
A
methane
B
water
C
butane
D
ammonia
4) The chemical name of the compound represented by the formula CaCl2 is
A
Potassium Chloride
B
Calcium Chloride
C
Calcium Chlorine
D
Carbon Chloride
5) The formula of butane is
A
CH4
B
C2H6
C
C4H10
D
C6H6
6) The chemical name of the compound represented by the formula SO3 is
A
Sulfur dioxide
B
Sulfur trioxide
C
Sulfur tetra-oxide
D
Sulfur oxide
7) The chemical formula of Nitrogen dioxide is
A
NO
B
NO3
C
NO4
D
NO2
8) A moleucle of iron chloride represented by the formula FeCl3 has
A
one iron atom and three chlorine atoms
B
three iron atoms and one chlorine atom
C
one iron atom and two chlorine atoms
D
one iron atom and one chlorine atom
9) Sulfuric acid whose chemical formula is H2SO4 consists of
A
two elements
B
one element
C
three elements
D
four elements
10) The expression 3 H2O means
A
3 atoms of hydrogen
B
2 molecules of water
C
1 molecule of water
D
3 molecules of water
*select an answer for all questions
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