1. What does gas chromatography do to the mixture of solvents?
- It separates them
- It identifies what compound the solvent is made from
- It shows what gas is produced
- It helps chromate the solvents making the easier to use
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Other questions in this quiz
2. Why do hydrogen ions move to the negative electrode?
- Because hydrogen is a BOSS
- Because they have negative ions that are attracted to the negative electrode
- Because they have positive ions and opposites attract
- Because they react with the sodium metal to produce a positive ions which is attracted to the negative electrode
3. How does an hydrogen atom turn into an hydrogen ion?
- It reacts with a metal
- It reacts with nitrogen
- Gains an electron
- Loses an electron
4. Why does the catalyst work for a long time before it needs replacing?
- It takes long to get used up
- It is not used up
- It reacts with elements that are able to clean the catalyst
- A catalyst never needs replacing
5. What are nanoparticles?
- Particles sized 1-100nm across
- Particles sized from 1-1000nm across
- Small particles
- Particles with a high volume to surface area ration