Exam (elaborations)
Solving of 0620/22/O/N/2022 f
- Course
- Institution
0620/22/O/N/22 For chemistry Cambridge IGCSE is solved with no incorrect answers and is answered by a former IGCSE student wait for more!!!!!!!
[Show more]
Seller
Follow
Maro1010
Content preview
Cambridge IGCSE™CHEMISTRY 0620/22
Paper 2 Multiple Choice (Extended) October/November 2022
45 minutes
You must answer on the multiple choice answer sheet.
*7173935082*
You will need: Multiple choice answer sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
INSTRUCTIONS
There are forty questions on this paper. Answer all questions.
For each question there are four possible answers A, B, C and D. Choose the one you consider correct
and record your choice in soft pencil on the multiple choice answer sheet.
Follow the instructions on the multiple choice answer sheet.
Write in soft pencil.
Write your name, centre number and candidate number on the multiple choice answer sheet in the
spaces provided unless this has been done for you.
Do not use correction fluid.
Do not write on any bar codes.
You may use a calculator.
INFORMATION
The total mark for this paper is 40.
Each correct answer will score one mark.
Any rough working should be done on this question paper.
The Periodic Table is printed in the question paper.
This document has 16 pages.
IB22 11_0620_22/4RP
© UCLES 2022 [Turn over
, 2
1 The rate of diffusion of three gases, ammonia, carbon dioxide and methane, is measured.
What is the order of the rate of diffusion of the gases from slowest to fastest?
A CO2 NH3 CH4
B CO2 CH4 NH3
C CH4 NH3 CO2
D NH3 CH4 CO2
2 Which description of Brownian motion is correct?
A random movement of particles due to bombardment by larger particles
B random movement of particles due to bombardment by smaller particles
C random movement of particles from a high concentration to a low concentration
D random movement of particles from a low concentration to a high concentration
3 The chromatogram obtained using four substances, J, K, L and M, is shown.
solvent front
baseline
J K L M
Which statement about M is correct?
A It is a mixture of J and K only.
B It is a pure substance.
C It is a mixture of J, K and L.
D It is a mixture of J, K and an unknown substance.
© UCLES 2022 0620/22/O/N/22
, 3
4 Which statements about isotopes of the same element are correct?
1 They are atoms which have the same chemical properties because they have the
same number of electrons in their outer shell.
2 They are atoms which have the same number of electrons and neutrons but
different numbers of protons.
3 They are atoms which have the same number of electrons and protons but different
numbers of neutrons.
A 1 and 2 B 1 and 3 C 2 only D 3 only
5 Which statement about solid magnesium oxide is correct?
A It is a giant structure made up of magnesium and oxygen atoms bonded covalently.
B It is an electrical conductor with mobile magnesium ions and oxygen ions.
C Magnesium loses electrons and these electrons move freely through a lattice.
D Oxygen ions and magnesium ions are attracted to each other in a giant lattice.
6 Which molecule contains only three shared pairs of electrons?
A CH3OH B Cl 2 C H2O D N2
7 Which particles are present in the structure of metals?
1 positive ions
2 negative ions
3 shared pairs of electrons
4 mobile electrons
A 1 and 2 B 1 and 4 C 2 and 3 D 2 and 4
© UCLES 2022 0620/22/O/N/22 [Turn over
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 Maro1010. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $2.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
58716 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 15 years now