Industrial effluents are highly toxic:

A ) organic compound

B ) inorganic salts

C ) heavy metals

D ) all of the above

Related Questions
  1. Which of the following is soluble in water?
  2. Hookworm larvae enter the body thought:
  3. Water which produces good lather with soap is called:
  4. Soap is the sodium salt of long chain:
  5. Which element does not cause toxicity in water?
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