100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Previously searched by you
Previously searched by you
logo
To add items to your wishlist, you must be logged in
Exam (elaborations)

OCR A A Level CHEMISTRY PAPER 1 2023 questions and answers

Rating
-
Sold
-
Pages
4
Grade
A+
Uploaded on
03-11-2023
Written in
2023/2024

Test for carbonates - - add dilute HCL - it makes carbon dioxide test for carbon dioxide by bubbling it through lime water Test for ammonium ions - -add sodium hydroxide -warm the mixture -hover damp red litmus paper over it , if it turns blue the ions are present Test for sulphate ionz (SO4 2-) - - add dilute HCL - then add BaCl2 - BaSO4 is made which is insoluble in water so a white precipitate will be formed Test for Halides (Cl-, Br-, I-) - - add nitric acid - add silver nitrate - precipitates will be formed - Cl (white) , Br (cream) , I (yellow) Why add dilute acids when testing for ions ? - it will get rid of any lurking anions that may create false positives Endothermic energy profile diagram - products are higher than reactants Exothermic energy profile diagram - reactants are higher than products What are standard conditions? - 298K and 100kPa

Show more Read less
Institution
Chemistry
Course
Chemistry








Whoops! We can’t load your doc right now. Try again or contact support.
Report Copyright Violation

Written for

Institution
Chemistry
Course
Chemistry
All documents for this subject (3658)

Document information

Uploaded on
November 3, 2023
Number of pages
4
Written in
2023/2024
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • test for carbonates add dilute hcl
  • test for ammonium ions add sodium hydroxide
  • test for sulphate ionz so4 2 add dilute hcl
  • why add dilute acids when testing for ions it
$12.49
Get access to the full document:
100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached
Get to know the seller
Seller avatar
EXCELPLUS
3.3
(4)

Get to know the seller

Seller avatar
EXCELPLUS Arizona State University - West Campus
View profile
Follow You need to be logged in order to follow users or courses
Sold
11
Member since
2 year
Number of followers
4
Documents
414
Last sold
2 months ago
A PLUS EXCEL

You will get solutions to all subjects in both assignments and major exams. Contact me for any assisstance. Good luck! Simple well-researched education material for you. Expertise in Nursing, Mathematics, Psychology, Biology etc,. My Work contains the latest, updated Exam Solutions, Study Guides, Notes 100% verified Guarantee . SUCCESS!!! YOU'RE WELCOME!

3.3

4 reviews

5
1
4
1
3
1
2
0
1
1

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions