C3 - Batch or continuous? Flashcards
1
Q
Name two substances made by continuous process?
A
- ammonia
- sulfuric acid
2
Q
Name one substance that is made by a batch process?
A
Pharmaceuticals.
3
Q
What are the three tests to check if a chemical compound is pure?
A
- melting the chemical at a fixed temperature
- boiling the chemical at a fixed temperature
- chromatography
4
Q
What are the six factors that affect the cost of medicine?
A
- labour costs
- energy costs
- development time
- research and testing
- raw materials
- legal costs
5
Q
What is the process of chromatography?
A
1) crush plant
2) boil plant to dissolve chemical
3) separate using different solvents
6
Q
Why is it difficult to develop and license new drugs?
A
- side effects must be checked
- must be proven to be effective
- lots of research is needed
- must be tested on living tissue
