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WorksheetsLANGUAGE OF CHEMISTRY
Total questions: 22
Worksheet time: 11mins
State the possible valencies for Iron:
1 and 2
2 and 3
4 and 2
3 and 5
Which out of these is a rare gas?
Hydrogen
Boron
Silicon
Argon
Which out of these will form an anion?
Ammonium
Chlorine
Nickel
Iron
The valency of copper in CuO is:
3+
2+
1+
none of the above
Lead Sulphate+Ammonium Hydroxide → Ammonium sulphate +Lead hydroxide.
Choose the correct Chemical equation for the above mentioned word equation.
PbSo4 + Nh4OH → NH4SO4 + Pb(OH)2
PbSO4 + NH4OH → NH4(SO4)2 + Pb(OH)2
PBSO4 + NH4OH → NH4SO4 + PB(OH)2
PbSO4 + NH4OH → (NH4)2SO4 + Pb(OH)2
What is the valency of lead ?
1,2
5,7
2,4
1,4
True or False: Law of conservation of energy states that matter can neither be created nor destroyed
True
False
The molecular formula for Ammonium carbonate is
(NH4 )2CO3
(NH4 )CO3
(NH4 )2CO
Formula of baking soda
NaHCO3
Nacl
H2SO4
sugar formula ?
K2CO3
Na3PO4
C12H22O11
The symbol of tungsten is :
Te
Ta
Ti
W
Co represents :
Carbon monoxide
Carbon dioxide
Cobalt
Calcium
Short hand representation for the atom of a specific element
element
atom
symbol
The molecular formula for Ammonium carbonate is
(NH4 )2CO3
(NH4 )CO3
(NH4 )2CO
The symbol and valency of ammonium is
NH4 , valency is 1
NH3, valency is 1
NH3 , valency is 2
He coined first time the term Symbol of an element
John Dalton
Avogadro
Berzelius
Aristotle
The charge present on phosphate radical is
-3
-4
-2
-5
The formula of aluminium carbide is
Al4C3
Al3C4
AlC
Al2C3
The chemical name of Mg3N2 is
Magnesium dinitiride
Trimagnesium nitride
Magnesium nitride
Trimagnesium nitrogen
The symbolic representation a molecule of a compound is known as
Chemical formula
Chemical equation
Radical
Chemical name
The balanced chemical equation is based on
law of definite proportion
Law of multiple proportion
Law of conservation
Law firm gravitation
