38. Calcium phosphate is present in tooth enamel. Its nature is [NCERT Exemplar Problems]
(a) basic
(b) acidic
(c) neutral
(d) amphoteric
38. Calcium phosphate is present in tooth enamel. Its nature is [NCERT Exemplar Problems]
(a) basic
(b) acidic
(c) neutral
(d) amphoteric










