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- Watchglass Bent glass hook Arrangement for the drying of samples. It shows the recommended way to dry a sample. The weighing bottle is contained in a labeled beaker with a ribbed cover glass. Weighing bottle with cap ajar Beaker Reagent True O Falseexplain what advantage the technique of reflux has over conventional boilingPrepare a report explaination on Bending Test - Compression Test