Main role of minor elements is to act as
Constituent of hormones
Binder for cell structure
Constituent of amino acids
Cofactor of enzyme
Fill in the blanks.
(a) The main constituent of an acid is …………
(b) The main constituent of a base is …………
(c) Tartaric acid is a ………… acid.
(d) To get acidic salts ………… acids are used.