What substance has the lowest value of LD50 (median lethal dose)?
Sarin
Botox
Ricin
Arsenic
The value of LD50 for a substance is the dose required to kill half the members of a tested population after a specified test duration. Botox is the most acutely lethal toxin known, with an estimated human LD50 of 1.3–2.1 ng/kg intravenously or intramuscularly and 10–13 ng/kg when inhaled.
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Answers by country
Sarin
Botox
Ricin
Arsenic
answers
Republic of Ireland52
Greece24
the Netherlands32
Italy34
Poland6960
France18
Australia68
Switzerland51
Germany727
the United Kingdom237
Austria112
the Philippines51
India606
Canada50
the United States306
the United Arab Emirates22
Pakistan72
Malaysia21
Ghana23
Nigeria128