Name the cation present in NaCl ?
Na+
Cl-
NaCl
2 Na
Among the following which is a monovalent poly atomic ion ?
HSO4-
ClO-
a and b
SO32-
Among the following identify the information which are conveyed by chemical equations ?
Relative masses
Heat changes
Concentration
Time factor
Pick out the correct chemical formula of sodium nitrate ?
Na2CO3
NaNO3
2 NaCO3
Na2(CO3)2
Identify the polyatomic ion from the following ?
O2-
NH4+
Non-metals usually forms :
Cations
Radicals
Polyvalent cations
Anions
Number of electrons lost by Fe2+ ion is :
2
3
-2
0
Among the following which one is a mono atomic cation ?
Sodium ion
Fluoride ion
Sulphate ion
Calcium ion
Among the following identify the information which are not conveyed by chemical equations ?
Isotopes
Number of moles
a and c
2 SO2 + O2 → :
2 SO4
2 SO3
SO4
2 SO
