drying agents
What drying agents means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of drying agents
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Reference: OCR
A drying agent such as anhydrous sodium sulfate or calcium chloride is added to remove residual water.
An anhydrous salt is used to dry the organic liquid before redistillation.
Topics that use drying agents
- Acylation (A-level only) (AQA A-Level)
- Use of apparatus and techniques (OCR A-Level)
Related terms
- acid anhydride
- addition-elimination
- amide
- ammonium salt formation
- atom economy
- by-product handling
- Calculating and interpreting the titre
- Cation tests with sodium hydroxide
Using drying agents in the exam
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