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Why is airborne lead no longer much of a problem as a pollutant?
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What kind of pollutant are Arsenic cadmium lead and mercury?
Cadmium, lead, and mercury are toxic heavy metals; arsenic is a toxic semi-metal. All of these are extremely dangerous to human health.
Why is lead is no longer used in food containers?
Because it could lead to birth defects.
Why is reduction used for removing lead from lead oxide?
When lead is in its oxide (PbO) it is in its oxidized form with a charge of +2 (usually). Reducing lead to its uncharged state will facilitate its removal as it will no longer bind oxygen
Should I use acid or solid or resin core solder for copper pipe?
Use lead-free solder, 0.2 percent lead or less. Lead free means NO Lead your better off with a silver bearing alloy as it has a longer pasty range or 95% tin 5% antimoney Actually the term "solder" means lead bearing according to the AWS specifications
Why does solder no longer have lead in it?
Since question is not clear two answers can be given on the assumption that the question is about dry soldering. Thoroughly clean the part to be soldered, apply flux re-solder the connection. The second answer is normally lead will not be kept on a soldering point. the technician doing soldering has to use lead and flux separately. ================================ There are still solders that contain lead. The European Union prohibited excessive amounts of lead in consumer products (WEEE and RoHS), so there are lead-free solders. But there are industries in which the lead-free solders are not acceptable.
Lead is considered as which pollutant?
Radioactive pollutants
What is the most common metallic air pollutant?
Lead
Which Air Pollutant Decreased The Most From 1970 To 1991?
"lead" is the air pollutant that decreased most in 1970 to 1991.
What is the role of lead when added in petrol?
It's a pollutant. A Neurotoxin.
What is a pollutant associated with high-tech gadjets in landfills?
Lead
Can lead be airborne when soldering?
Lead is unlikely to become airborne during hand soldering because the operation occurs at a temperature much lower than the boiling point of the lead.
Which is a pollutant associated with high tech gadgets in landfills?
Chromium
What is a pollutant of soil and water did the automobile industry cause that is now outlawed?
Lead in petrol.
Which of these is not an major air pollutant measured by air quality index sulfur dioxide carbon monoxide particle pollution lead?
lead
What air pollutant is implicated in human neurological damage?
according to my good friend wikipedia the answer is lead.
Why is unleaded petrol used for vehicles?
Because lead is highly toxic and considered a serious pollutant.
What is a pollutant of soil and water that is now dropping steadily due to laws that affected the automobile industry?
lead
