What type of amine is $CH_2 = CH - CH_2NHCH_3$?

The $IUPAC$ name of $CH_3-CH_2-CH(NH_2)-CH_3$ is:

The total number of electrons in the amide group $-CONH_2$ is:

Classify the following amines as primary,secondary,or tertiary:
$(i)$ $1-$naphthylamine
$(ii)$ $N,N$-dimethyl$-1-$naphthylamine
$(iii)$ $(C_2H_5)_2CHNH_2$
$(iv)$ $(C_2H_5)_2NH$

The gas leaked from a storage tank of the Union Carbide plant in the Bhopal gas tragedy was:

Which of the following compounds is an example of a primary amine?