Multiple choice general knowledge

which one of the following is used as an explosive ?

  1. Phosphorus Trichloride

  2. Mercuric oxide

  3. Graphite

  4. Nitroglycerine
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D Correct answer
Explanation

Nitroglycerine is a powerful explosive used in mining, construction, and demolition. It is a highly unstable nitrate ester that detonates violently, though in medical applications (nitroglycerin tablets) it's used in very small doses to treat angina. The other options - Phosphorus Trichloride (a chemical reagent), Mercuric oxide (a mercury compound used in batteries), and Graphite (a form of carbon) - are not explosives. Nitroglycerine's explosive properties come from its rapid decomposition releasing large volumes of gas.

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