The technique which is not one of the four most common methods for separation and purification is: C. sublimation.
<h3>What is a separation technique?</h3>
A separation technique can be defined as a technique that is typically used to separate, transform, or convert two or more mixture and solution of chemical substances into distinct products such as solutes, chemical compounds or elements.
<h3>The types of separation technique.</h3>
In Chemistry, there are various types of separation technique used for the separation of a solution or mixture and these include the following:
- Filtration
- Evaporation
- Recrystallization
- Extraction
- Fractional distillation
- Decantation
- Simple distillation
- Crystallization
- Sublimation
- Chromatography
Among the aforementioned separation techniques, we can reasonably infer that sublimation is a technique which is not one of the four most common methods for separation and purification.
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Complete Question:
Which of the given techniques is not one of the four most common methods for separation and purification?
A. extraction
B. distillation
C. sublimation
D. recrystallization
E. chromatography
Answer:
stereotype/prejudice
Explanation:
Selena is acted in a biased manner since she has preconceived notions of computer programmers and when meeting Mark, she is projecting these beliefs rather than being open to observe Mark and find out something different:
The act of deciding ahead is a prejudice that can harm social relationships.
Generally speaking, prejudices result from bad stereotypes and affect the people chances to develop potential and have better relationships and they also damage the self-esteem and mental well being of individuals.
Answer:
Louder music corresponds to more beer consumption. But this doesn't provide evidence that louder music can causes people to drink more beer.
Explanation:
The louder music does not cause people to drink more beer. There is a spurious correlation between drinking beer and Loud music because of the presence of confounding variable Social which is the interaction in the bar. The people at the bar are not able to talk to each other more because of the presence of loud noise or music. So, they are forced to drink beer more rather than talking during their stay at the bar.
Answer:
rehearsal
Explanation:
Hello! To keep the numbers in memory, Randy does rehearsal until he could write the new information down. The information is retained for a short time until such information is processed or can be recorded, this is achieved by repeating (and retaining) the numbers in the mind.
Thanks for your question!
The Industrial Revolution led to many changes. Work was massive and working conditions were totally unfair. Some examples were: minimal wages, underage kids were working, companies didn't pay taxes, workers were not safe, etc...
Thanks to the reforms, many concepts were introduced and laws were passed on that. This helped to regulate business practises. Companies couldn't evade taxes, workers made more wages and they could work in a healthier environment, working hours were normal ( 8 hours), children exploitation stopped.
