explain the contribution of chemistry in the field national defence
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It is possible to convert various ingredients into usable cosmetics due to knowledge of chemistry. (d) National Defence : Substances like gunpowder, T.N.T. (trinitrotoluene), phosgene,chemical weapons, laughing gas, etc., are all products of chemistry which contribute to the national defence
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It is possible to convert various ingredients into usable cosmetics due to knowledge of chemistry. (d) National Defence : Substances like gunpowder, T.N.T. (trinitrotoluene), phosgene, chemical weapons, laughing gas, etc., are all products of chemistry which contribute to the national defence
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