Exam (elaborations)
CHE1501 ASSIGNMENT 01 SOLUTIONS, SEMESTER 1, 2022
- Course
- Institution
Distinction Guaranteed
[Show more]
Seller
Follow
TheAcademy
Reviews received
Content preview
2022CHE1501-GENERAL CHEMISTRY 1A
SEMESTER 1
ASSIGNMENT 01 SOLUTIONS
Structural Engineer
M.Sc. B.Sc. Hons. Civil Engineering
Moscow, Russia
WhatsApp 081 837 6138
, Question 1
Which one of the statements below about mixtures is correct?
[1] The different substances in a mixture are always in a definite proportion to each other.
[2] A mixture is made up of elements that are chemically combined.
[3] A mixture must contain at least two different substances.
[4] It is extremely difficult to separate a mixture into different substances.
[5] A mixture is always homogeneous.
In chemistry, when two or more substances mix with each other without participating in a
chemical change, the resulting substance is called a Mixture.
Question 2
Consider the following below: which one is a heterogeneous mixture?
[1] Cola
[2] Brass
[3] Soil
[4] Air
[5] Coffee with sugar stirred in
A heterogeneous mixture is a mixture in which the composition is not uniform throughout
the mixture.
Question 3
Aluminium sulphate can be broken down into simpler substances by chemical means. It is
therefore.
[1] a mixture
[2] a compound
[3] an element
[4] an atom
[5] an electron
A chemical compound is a chemical substance consisting of two or more different
chemically bonded chemical elements, with a fixed ratio determining the composition.
Compounds can be broken down by chemical means into simpler substances.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TheAcademy. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.98. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73918 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now