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Chemistry
Which one of the following statement is not true ?
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Q. Which one of the following statement is not true ?
AIPMT
AIPMT 2011
Environmental Chemistry
A
Oxide of sulphur, nitrogen and carbon are the most widespread air pollutant
11%
B
pH of drinking water should be between 5.5 - 9.5
35%
C
Concentration of DO below 6 ppm is good for the growth of fish
44%
D
Clean water would have a BOD value of less than 5ppm
10%
Solution:
Growth of fish is inhibited if concentration of DO is below $6\, ppm$.