1.

Which of the following statements are correct (A) Carbamates are nerve toxins (B) diethanol amine is an environment friendly herbicide (C) Fly ash is a contaminent in air due to thermal power plants and steel industry (D) Haemoglobin of the blood forms carboxy haemoglobin with CO The correct answer is

Answer»

A, B, C
B, C, D
A, B, D
A, B, C, D

Answer :4


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