Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Electrochemical polymerization of anilinium hydrochloride   Electropolymerization of anilinium hydrochloride was carried out on platinum
plate electrode in a protic medium by cyclic voltammetry. The effects on the
electrodeposition of the sweep rate, monomer concentration, pH of the medium
and electrode nature are discussed.

27
The categories of this paper are: comp-gas
0
The categories of this paper are: hep-ph
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
21
The categories of this paper are: adap-org
7
The categories of this paper are: hep-th
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
16
The categories of this paper are: stat
36
The categories of this paper are: cmp-lg
35
The categories of this paper are: mtrl-th
2
The categories of this paper are: math