Basic General Knowledge
Sir Humphry Davy was a British chemist who

None of these
discovered the anesthetic properties of nitrous oxide
both (A) and (B)
invented the safety lamp for miners

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Basic General Knowledge
What is the purpose of 'United Nations Conference on Trade and Development' (UNCTAD)?

Set rules for World Trade
None of these
Promotes International Monetary co-operation & expansion of International Trade
Promotes International Trade with a view to accelerate economic growth of developing countries

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