WorksheetsLANGUAGE OF CHEMISTRY
Total questions: 10
Worksheet time: 9mins
Calculate the percentage composition of Calcium in Calcium Chloride(Ca=40, Cl=35.5)
36
35
34
33
Give the chemical formula of Sodium Zincate
NaZNO2
Na2ZnO2
Na2O
NaZnO3
Give the chemical name of Ca3N2
Calcium Nitrate
Calcium Nitrite
Calcium Nitride
None of the above
What is the valency of Sulphite
-1
+1
-2
-3
What is the formula of ammonium radical
NH3
NH
NH3+
NH4+
The formula of the nitrate of metal X is XNO3. What is the formula of its hydroxide.
X2H
XOH
X2O
X(OH)2
MCl2 is the chloride of the metal M. Give the formula of its sulphate.
M2S
M2SO3
MSO4
MSO3
Calculate the relative molecular mass of NH4Cl(N=14, H=1, Cl=35.5)
54.0
52.5
53.5
51.5
Give the chemical formula of blue vitriol
FeSO4.7H2O
CuSO4.5H2O
CaSO4.2H2O
Na2SO4.10H2O
Give the chemical name of Mg(HCO3)2
Manganese Carbonate
Magnesium Carbonate
Maganese Bicarbonate
Magnesium Bicarbonate
