Biochemical oxygen Demand ,(BOD) is a measure of organic material present in water

Biochemical oxygen Demand ,(BOD) is a measure of organic material present in water.BOD value less than 5 ppm indicates a water sample to be

Options

(a) rich in dissolved oxygen
(b) poor in dissolved oxygen
(c) highly polluted
(d) not suitable for aquatic life

Correct Answer:

rich in dissolved oxygen

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. A 6 volume sample of H₂O₂
  2. The change in optical rotation (with time) of freshy prepared solution of sugar
  3. The K(sp) of Ag₂CrO₄, AgCl,AgBr and AgI are respectively. 1.1 ˣ 10⁻¹²,1.8 ˣ 10⁻¹⁰,
  4. An orbital in which n = 4 and l = 2 is expressed by
  5. Principal quantum number of an atom is related to the