Chemistry
The rusting of iron is a/an

None of these
Electrical change
Electrochemical change
Physical change

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
The Latin word formica means ant. The name formic acid is derived from this Latin word because

this corrosive acid is secreted by ants to drive away their enemies
this acid was first obtained by the distillation of ants
ants are attracted by the odour of this acid
this acid, in ancient times, was used to eliminate ant-hills

ANSWER DOWNLOAD EXAMIANS APP