Question about State Changes
Subject Sciences
Sciences
Source Originais Teachy
Originais Teachy
Topic State Changes
State Changes
Difficulty Medium
Medium
(Originais Teachy 2023) - Question Medium of Sciences
In organic chemistry, sublimation is a method used to purify volatile substances and insoluble impurities that do not have well-defined melting points, such as carboxylic acids and other volatile organic substances with low boiling points. Which of the following volatile organic substances cannot be purified by sublimation?a.
Sulfuric acid
b.
Acetic acid.
c.
Benzoic acid.
d.
Formic acid.
e.
Ethanoic acid.
Answer sheet:
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices. Sed non sem ultricies, sollicitudin sem facilisis, commodo justo. Maecenas mattis sodales nunc, et auctor massa fermentum a. Maecenas eget nisl felis.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur id consequat justo. Cras pellentesque urna ante, eget gravida quam pretium ut. Praesent aliquam nibh faucibus ligula placerat, eget pulvinar velit gravida. Nam sollicitudin pretium elit a feugiat. Vestibulum pharetra, sem quis tempor volutpat, magna diam tincidunt enim, in ullamcorper tellus nibh vitae turpis. In egestas convallis ultrices.
Answer sheet
You need to be a registered teacher to view the answer sheet
IARA TIP
Are you putting together a quiz or assessment?
On Teachy’s platform, you can automatically generate these materials without spending hours searching for questions 😉
Those who viewed this question also liked...
Question
Question
Difficulty Medium
Source:
FUNDAÇÃO DE ESTUDOS INACIANA
Electromagnetic Waves: Introduction
Difficulty Medium
Question
Question
Difficulty Medium
Source:
CMMG
Basic Genetics
Difficulty Medium
Question
Question
Difficulty Medium
Source:
Teachy
Scientific advancements have had a substantial impact on medicine, enhancing human health in various ways. A prime example of this progress is the development of antibiotics, which have been crucial in managing many bacterial infections that were once fatal. However, the overuse and misuse of antibiotics can give rise to resistant bacteria, making these infections tougher to tackle. With this in mind, which of the following options best describes a possible consequence of mishandling antibiotic use in our communities?
Impacts of Science
Difficulty Medium
Question
Question
Difficulty Medium
Source:
Teachy
During a track and field event, the muscles in an athlete's legs contract and relax rapidly, enabling them to sprint at high speeds. For this movement to happen effectively, various systems in the human body must work together. Keeping in mind the role of the muscular and skeletal systems in movement, what is the primary function of bones while running?
Human Body: Movement
Difficulty Medium
Join a community of teachers directly on WhatsApp
Connect with other teachers, receive and share materials, tips, training, and much more!
We reinvent teachers' lives with artificial intelligence
2023 - All rights reserved