Maximum permissible limit of mercury in human blood is ______________ micrograms/100 c.c?

Related Mcqs:

Which of the following is not a weightless pollutant ?

A. SPM B. Thermal pollution C. Radioactive rays D. Noise pollution...

Which is the most efficient dust removal equipment for removal of submicronic dust particles from blast furnace gas ?

A. Packed scrubber B. Gravity settling chamber C. Electrostatic precipitator D. Hydrocyclone...

Methyl isocyanate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of ______________ toxic gas?

A. Moderately B. Highly C. Extremely D. Very extremely...

‘Pneumoconiosis’ is a disease caused by the inhalation of ______________ dust?

A. Coal B. Uranium ore C. Iron ore D. Lime...

Fresh domestic sewage is _______________ in color?

A. Grey B. Dark brown C. Red D. Black...