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1.The chemical was used to dissolve the stone.
这种化学物质被用来溶解石头。
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2. The solution is a common ingredient in many household cleaning products.
这种溶液是许多家庭清洁产品中常见的成分。
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3. The process involves mixing the chemicals and then heating them to create the solution.
这个过程包括将化学品混合然后加热以产生溶液。