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It's a pollutant. A Neurotoxin.

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15y ago

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What is the function of lead in petrol?

Lead is no longer added to petrol because it added to both air pollution and general health risks. It used to be added for help in maintaining the general "health" of an engine's valves as well as reducing engine knocking.


How much lead is used in 1L of petrol?

lead is not used in gasoline in the US anymore, so I think your question needs to be more location specific as I am pretty sure its not added to petrol in Canada and the EU.


Is there iodine in petrol?

It is extremely unlikely to find Iodine in petrol/gasoline. It is not deliberately added. Bromine used to be added in the form of Lead Tetrabromide.


Lead content in petrol?

can content in petrol if not unleaded


What is an unleded petrol?

Unleaded petrol is petrol that has not been treated with a lead compound.


Why is there lead in petrol?

Lead was added to petrol as an anti-knock agent to improve engine performance. It prevented engine knocking or pinging, which is a metallic pinging noise that can occur in an engine when fuel ignites unevenly. Lead was phased out of petrol due to its harmful effects on human health and the environment.


Why are lead compounds added to petrol and how it is harmful?

lead compounds are harmful if added to petrol as it cause cancer, poison the catalytic converter (use to convert harmful gases into less harmful gases/harmless, emmision of greenhouse gases and increase the amount of oxides of nitrogen which results in acid rain.


Which compound is added to petrol to prevent engines from knocking?

Antiknock additives like tetraethyllead (TEL) or methylcyclopentadienyl manganese tricarbonyl (MMT) are added to petrol to prevent engine knocking. These compounds increase the octane rating of petrol, reducing the likelihood of premature ignition in the engine.


Lead was put in petrol to prevent the problem?

TEtro-Ethel Lead (spelling errors my fault) was added to fuel to increase octane.This reduced pre ignition also known as ping.


Why is petrol expensive than oil?

Petrol already has additives added, whereas, oil is not processed.


Advantages using unleaded petrol for cars?

in petrol we have 2 types.they are 1.leaded petrol 2.unleaded petrol in leaded petrol we have lead compounds so we call it as leaded petrol. in unleaded petrol we do not have lead compounds. the use or advantage of unleaded petrol is it does not emit harmful gases in to the environment. but leaded petrol emits harmful gases. cracking process takes place in unleaded petrol. cracking means it is a process of converting harmful gases into harmless gases. but this cracking process cannot be done in leaded petrol bcoz lead compounds decomposes the catylsts used in cracking process


What free petrol has been introduced to reduce air pollution?

lead free petrol....