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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
NH3
B
H2O
C
HO
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
ammonia
B
methane
C
water
D
butane
4) The chemical name of the compound represented by the formula CaCl2 is
A
Calcium Chlorine
B
Potassium Chloride
C
Carbon Chloride
D
Calcium Chloride
5) The formula of butane is
A
C2H6
B
C4H10
C
C6H6
D
CH4
6) The chemical name of the compound represented by the formula SO3 is
A
Sulfur trioxide
B
Sulfur tetra-oxide
C
Sulfur oxide
D
Sulfur dioxide
7) The chemical formula of Nitrogen dioxide is
A
NO3
B
NO4
C
NO2
D
NO
8) A moleucle of iron chloride represented by the formula FeCl3 has
A
one iron atom and two chlorine atoms
B
three iron atoms and one chlorine atom
C
one iron atom and one chlorine atom
D
one iron atom and three chlorine atoms
9) Sulfuric acid whose chemical formula is H2SO4 consists of
A
four elements
B
two elements
C
three elements
D
one element
10) The expression 3 H2O means
A
2 molecules of water
B
1 molecule of water
C
3 atoms of hydrogen
D
3 molecules of water
*select an answer for all questions
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