What is the deadliest chemical to humans?

Botulinum toxins, exotoxins of Clostridium botulinum
Clostridium botulinum
C. botulinum is a soil bacterium. The spores can survive in most environments and are very hard to kill. They can survive the temperature of boiling water at sea level, thus many foods are canned with a pressurized boil that achieves even higher temperatures, sufficient to kill the spores.
https://en.wikipedia.org › wiki › Clostridium_botulinum
, are the most toxic naturally occurring substances known to man.
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What is the most fatal chemical?

1. Botulinum toxin. Scientists differ about the relative toxicities of substances, but they seem to agree that botulinum toxin, produced by anaerobic bacteria, is the most toxic substance known. Its LD50 is tiny – at most 1 nanogram per kilogram can kill a human.
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What are the most dangerous chemicals to humans?

Highly Toxic Chemicals
  • Arsenic trioxide.
  • Chlorine.
  • Hydrogen cyanide.
  • Nitrous oxide.
  • Phosgene.
  • Potassium cyanide (analytical reagent and purified)
  • Sodium arsenate (analytical reagent)
  • Sodium cyanide (analytical reagent)
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What are the top 5 deadliest substances?

So here is a list of substances that are more poisonous than their LD50 values might indicate.
  1. Botulinum toxins. Even though some of them are used in the cosmetic industry (including in botox), the botulinum family of neurotoxins includes the most toxic substances known to man. ...
  2. Snake toxins. ...
  3. Arsenic. ...
  4. Polonium-210. ...
  5. Mercury.
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What are top 10 poisons?

Top 10 Most Deadly Poisons of The World For Mankind
  • 08 CYANIDE POISON (Deadly Poisons)
  • 07 STRYCHNINE POISON.
  • 06 MERCURY POISON (Deadly Poisons)
  • 05 TETRODOTOXIN POISON.
  • 04 VX POISON.
  • 03 BATRACHOTOXIN POISON – Arrow Poison Frog.
  • 02 BOTULINUM TOXIN POISON.
  • 01 POLONIUM POISON (Deadly Poisons)
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Deadliest Chemicals In The World



Which is worse arsenic or cyanide?

Both are highly toxic/poisonous substances. Arsenic rivals cyanide in both lethality and infamy.
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What two chemicals explode when mixed?

For decades, science enthusiasts have delighted at the famously energetic way sodium and potassium explode on contact with water.
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What is the most painful chemical?

VX is the most potent of all nerve agents. Compared with the nerve agent sarin (also known as GB), VX is considered to be much more toxic by entry through the skin and somewhat more toxic by inhalation.
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What is the deadliest nerve gas?

Novichok
  • Novichok (Russian: Новичо́к, lit. ...
  • Russian scientists who developed the nerve agents claim they are the deadliest ever made, with some variants possibly five to eight times more potent than VX, and others up to ten times more potent than soman.
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What's worse than mustard gas?

Phosgene is also a much stealthier weapon: it's colorless, and soldiers did not at first know they had received a fatal dose. After a day or two, victims' lungs would fill with fluid, and they would slowly suffocate in an agonizing death.
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What is the scariest nerve agent?

Cyclosarin is a G-Series nerve agent developed shortly after the discovery of soman (1944). Considered five times deadlier than sarin gas, cyclosarin is incredibly lethal to humans and has been classified as a “weapon of mass destruction” by the United Nations.
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What happens if you mix rubbing alcohol and bleach?

Bleach and rubbing alcohol create chloroform. This combination is highly toxic and can cause damage to your eyes, lungs, and liver. Combining these products can create peracetic / peroxyacetic acid, which can be highly corrosive and irritate your eyes, skin, and respiratory tract.
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What reacts with water violently?

Water reactive chemicals are chemicals that react vigorously with moisture. The most common water sensitive chemicals include sodium, potassium, lithium metals and aluminum alkyls.
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What happens when you mix brake fluid and bleach?

Explosive Reaction Between Swimming Pool Chlorine and Brake Fluid. Granular swimming pool chlorine (calcium hypochlorite) and brake fluid (polyethylene glycol) react violently when mixed together, producing a fierce fireball.
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What is the rarest poison?

Strychnine: the notorious but rare poison at the heart of a modern mystery | Forensic science | The Guardian.
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How much cyanide is fatal breathing?

Airborne release of cyanide gas, in the form of hydrogen cyanide or cyanogen chloride, would be expected to be lethal to 50% of those exposed (LCt50) at levels of 2,500–5,000 mg•min/m^3 and 11,000 mg•min/m^3, respectively. When ingested as sodium or potassium cyanide, the lethal dose is 100–200 mg.
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What poison smells like almonds?

Cyanide sometimes is described as having a “bitter almond” smell, but it does not always give off an odor, and not everyone can detect this odor. Cyanide is also known by the military designations AC (for hydrogen cyanide) and CK (for cyanogen chloride).
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What happens if you mix potassium and water?

Potassium metal reacts very rapidly with water to form a colourless basic solution of potassium hydroxide (KOH) and hydrogen gas (H2). The reaction continues even when the solution becomes basic. The resulting solution is basic because of the dissolved hydroxide.
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What powder catches fire with water?

ICSC 1192 - CALCIUM POWDER (pyrophoric) Forms flammable gas on contact with water or damp air.
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Which element burns water?

Sodium reacts vigorously with cold water forming sodium hydroxide (NaOH) and hydrogen (H2). The reaction of sodium metal with water is highly heat producing due to which the hydrogen gas formed during the reaction catches fire and burns causing little explosions.
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What not to mix with hydrogen peroxide?

Don't mix hydrogen peroxide with vinegar

Hydrogen peroxide and vinegar can be used on the same surface as long as it dries in between applications but they should never be mixed. When the two are mixed, it creates peracetic acid, which can harm the skin, eyes, throat, nose and lungs.
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What happens if you mix hydrogen peroxide and vinegar?

Hydrogen peroxide + vinegar

While these two chemicals can be used in succession as a cleaning duo, do not mix them together. “Combining these two creates peracetic acid or corrosive acid, an irritant that, in high concentrations, can harm the skin, eyes, throat, nose, and lungs,” says Bock.
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What happens if you mix hydrogen peroxide with bleach?

Bleach plus hydrogen peroxide creates oxygen gas so violently, it can cause an explosion. “One should not mix household cleaners as a general rule,” Langerman says. “You do not necessarily make a strong cleaner by mixing two cleaners together.”
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Can you survive nerve agent?

DESCRIPTION: Sarin (military designation GB) is a nerve agent that is one of the most toxic of the known chemical warfare agents. It is generally odorless and tasteless. Exposure to sarin can cause death in minutes. A fraction of an ounce (1 to 10 mL) of sarin on the skin can be fatal.
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How do nerve agents cause death?

All nerve agents cause their toxic effects by preventing the proper operation of an enzyme that acts as the body's “off switch” for glands and muscles. Without an “off switch,” the glands and muscles are constantly being stimulated. Exposed people may become tired and no longer be able to keep breathing.
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