temperature control
What temperature control means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of temperature control
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Reference: AQA
Keeping the temperature at about 50 °C, because above this a second nitro group is substituted and dinitrobenzene forms.
Warming a flask or test tube to a chosen temperature so the mixture warms evenly without local overheating.
Topics that use temperature control
- Electrophilic substitution (A-level only) (AQA A-Level)
- Use of apparatus and techniques (OCR A-Level)
Related terms
- acylium ion
- Calculating and interpreting the titre
- Cation tests with sodium hydroxide
- Clock reaction
- Collecting data over time to determine rate
- Condenser water flow and safety
- Continuous monitoring method
- Controlling variables to isolate concentration effects
Using temperature control in the exam
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