Methemoglobinemia or blue baby disease is caused due to:
AChlorides
BNitrites
CNitrates
DSulphides
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Related Questions:
A natural method of disposal of sewage is
The radius of a circular sector is doubled.The area will be increased how many times:
Subsidiary station established as near the true triangulation station as possible is known as:
Transverse Contraction / Longitudinal Extension
Which method gives more accurate results in the measurement of areas