The correct answer is (d), Sarin gas. Sarin is a deadly nerve agent that was used as a chemical weapon in the Syrian Civil War. It is a colorless, odorless liquid that can be inhaled, ingested, or absorbed through the skin. Sarin causes rapid death by paralyzing the muscles that control breathing and heart function.
Mustard gas is a blistering agent that was used as a chemical weapon in World War I. It is a yellow-brown liquid that can cause severe burns to the skin, eyes, and lungs. Chlorine gas is a greenish-yellow gas that is used as a disinfectant and bleaching agent. It can be fatal if inhaled in high concentrations. Methyl isocyanide gas is a highly toxic gas that was used in the Bhopal disaster in 1984. It causes respiratory failure and death.
Sarin gas is a much more deadly weapon than mustard gas, chlorine gas, or methyl isocyanide gas. It is also much more difficult to detect and protect against. This is
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