Acidity in water is caused due to
A. Mineral acids
B. Free CO2
C. Aluminium sulphate
D. All the above
Answer: Option D
A. Mineral acids
B. Free CO2
C. Aluminium sulphate
D. All the above
Answer: Option D
The fire demand of a city may be worked out by
A. Kuichling’s formula
B. Freeman formula
C. Bustan’s formula
D. All the above
Mathamoglobinemia or blue baby disease is caused due to
A. Chlorides
B. Nitrites
C. Nitrates
D. Sulphides
Explain