Chemistry - Hydrogen and Its compound Question with Solution | TestHub
Some Statements are given
(S1) Fuel obtained from plastic waste , contains no lead
(S2) Nitrate causes "blue baby" syndrome when present excess in drinking water
(S3) DDT is biodegradable
(S4) Drinking water should have high value of B.O.D.
Which is the correct sequence of true (T) or false (F) regarding the above statements ?
Options:
Answer:
Solution:
(S1) Fuel from plastic waste is generally lead-free. (TRUE)
(S2) Excess nitrate in drinking water causes methemoglobinemia ("blue baby" syndrome). (TRUE)
(S3) DDT is a persistent organic pollutant and is NOT biodegradable. (FALSE)
(S4) Drinking water should have a LOW B.O.D. (Biochemical Oxygen Demand), indicating less organic pollution. (FALSE)
Therefore, the correct sequence is TTFF.
