Sodium is a………
a) metal
b) non-metal
c) compound
d) mixture
Examples of some positive ions are ……
a) Na+ , K+
b) Mg++ , Ca++
c) Ag+
d) All of these
Examples of negative ions is………
a) Cl-
b) Br-
c) both a & b
d) none of these
Potassium sulphate is an example of ……
a) acid
b) base
c) salt
d) both a & b
The chemical formula of potassium sulphate is………
a) FePO4
b) NaCl
c) AgBr
d) K2SO4
In aqueous solutions , neutralization is the reaction of hydrogen ions and hydroxide ions to form……….molecules.
a) water
b) chlorine
c) oxygen
d) All of these
