A.300 – 500 ppm
B.30 – 50 ppm
C.10 – 15 ppm
D.3 – 5 ppm
E.0.3 – 0.5 ppm
Related Mcqs:
- Lead poisoning _______________.
- Which of the following symptom is not common between food poisoning and carbon monoxide poisoning?
- The maximum concentration of lead in drinking water should not exceed.
- The flouride content in the drinking water should not exceed
- Fully recovered patient may develop full-grown symptoms of poisoning as long as a month after the initial poisoning in the case of:
- The chloride content in the water for public supplies should not exceed
- Lead in water can cause __________.
- When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:?
- The water content of green sand is usually
- What is the average salt content in a litre of sea water?
