Question
Which statement is accurate regarding the use of gases
in welding and agriculture? (I) Acetylene is the only fuel gas suitable for gas welding. (II) Ethylene is used in agriculture to induce the ripening of fruits.Solution
Statement I is incorrect as acetylene is not the only fuel gas suitable for gas welding; other gases like propane and propylene are also used for various heating purposes, although acetylene is preferred for its high flame temperature. Â Â Statement II is correct. Ethylene is indeed used in agriculture to promote the ripening of fruits like bananas and tomatoes, due to its natural role as a plant hormone involved in the ripening process.
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