ChemistryFind the incorrect statement

Find the incorrect statement

  1. A

    BOD value of clean water is less than 5 ppm

  2. B

    Drinking water pH should be between 5.5-9.5

  3. C

    carbon, sulphur and nitrogen oxides are the most widespread air pollutants

  4. D

    dissolved oxygen concentration below 5 ppm is ideal for the growth of fish

    Fill Out the Form for Expert Academic Guidance!l



    +91



    Live ClassesBooksTest SeriesSelf Learning



    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Chat on WhatsApp Call Infinity Learn