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WorksheetsLanguage of chemistry
Total questions: 15
Worksheet time: 8mins
1. 2 H and H2 stands for ___ and ___ respectively of hydrogen
2 atoms
2 atoms and 2 molecules
2 atoms and 1 molecule
2 molecules
What is the formula of lead acetate?
Ca3N2
(CH3COO)2Pb
Mg3PO4
Cr2(SO4)3
Na2ZnO2 is the formula of
sodium zinc oxide
sodium zinte
sodium zincate
zinc natrium ate
___ PbO + ____ NH3 -----> ____ Pb + ____ H2O + N2. Balance this eqn. Select the numbers in correct order as in question
3, 2, 3, 3
3, 1 , 2 , 2
3,1, 3, 3
2, 3, 2, 3
___ P + ____ HNO3 -----> ____ NO2 + ____ H2O + H3PO4 . Balance this eqn. Select the numbers in correct order as in question
1, 5, 5, 1
1, 1 , 2 , 2
1,1, 3, 3
1, 5, 2, 3
Find the relative molecular mass of CuSO4.5H2O
Cu-64 H-1 O-16 S-32
250
249
252
240
If the formula of a sulphate of a metal M is MSO4 What will be the formula of chloride of metal M?
MCl
MCl2
MCl3
M2Cl
When dilute hydrochloric acid reacts with limestone then the products are calcium chloride,water and carbon dioxide gas .The statement representing above chemical change is
CaCO3 +2HCl -------> CaCl2 +H2O + CO2
CaCO3 + HCl --------> CaCl2 + H2O + CO2
CAco3 + 2HCl ---------> CacL2 + H2o + CO2
CaCO3 +4HCl -------> 2CaCl2 +2H2O + 2CO2
HIDE ANSWER
The chemical name for Nitric oxide (NO) is:
Nitrogen peroxide
Nitrogen Monoxide
Dinitrogen oxide
None of the above
The valency of copper in CuO is:
3
2
1
No valency
The colored figures in the following equation represents
3Cu + 8HNO3 ---------> 3Cu(NO3)2 + 2NO + 4H2O
Coefficients
Numerical values
Frequency
Atomicity
The atom or group of atom carrying either positive or negative charges are commonly known as
Cation
Anion
Valency
Radicals
A chemical equation does not provide information about
Reactants
Products
Volumes of reactants and products
Rates of chemical reaction
The charge present on phosphate radical is
-3
-4
-2
-5
The formula of aluminium carbide is
Al4C3
Al3C4
AlC
Al2C3
