Mixing of brick powder with Chili powder is a case of:

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 195-197
Practise the full RUHS, Jaipur, M.Sc Nursing Entrance Exam-2015
Attempt every question from this paper in a timed mock, then review the full solution for each one.