Chemical Language Question Preview (ID: 6597)
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The chemical formula of water is
a) H2O2
b) NH3
c) H2O
d) HO
The chemical symbol of iron is
a) I
b) Fe
c) F
d) fe
The chemical name of the compound represented by the formula NH3 is
a) butane
b) methane
c) water
d) ammonia
The chemical name of the compound represented by the formula CaCl2 is
a) Carbon Chloride
b) Calcium Chloride
c) Calcium Chlorine
d) Potassium Chloride
The formula of butane is
a) CH4
b) C2H6
c) C4H10
d) C6H6
The chemical name of the compound represented by the formula SO3 is
a) Sulfur oxide
b) Sulfur dioxide
c) Sulfur trioxide
d) Sulfur tetra-oxide
The chemical formula of Nitrogen dioxide is
a) NO
b) NO2
c) NO3
d) NO4
A moleucle of iron chloride represented by the formula FeCl3 has
a) one iron atom and one chlorine atom
b) one iron atom and two chlorine atoms
c) three iron atoms and one chlorine atom
d) one iron atom and three chlorine atoms
Sulfuric acid whose chemical formula is H2SO4 consists of
a) three elements
b) two elements
c) one element
d) four elements
The expression 3 H2O means
a) 2 molecules of water
b) 1 molecule of water
c) 3 molecules of water
d) 3 atoms of hydrogen
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