Test for chlorine gas - answer Turns blue litmus paper red and bleaches
Acidic Gas
Test for ammonia gas - answer Turns damp red litmus paper blue
Alkaline Gas
Test for water - answer1) Boil if, if it boils at 100 degrees the substance is water
2)Add anhydrous copper (II)sulphate powder
Positive: Blue solution formed
3) Blue cobalt chloride paper turns pink
Test for lithium ions – answer Red Flame
Test for sodium ions - answer Flame test - yellow flame
Test for potassium ions - answer flame test - lilac flame
Test for calcium ions - answer Flame test brick red
Test for copper (II) ions (Flame) - answer Blue Green Flame
Test for copper (II) ions - answer Add sodium hydroxide
Positive: Pale blue precipitate
Test for iron (III) ions - answerAdd sodium hydroxide or ammonia solution
Positive: Red brown precipitate
Test for iron (II) - answerAdd sodium hydroxide or ammonia solution
Positive: Pale green precipitate
Test for ammonia - answerTurns damp red litmus paper blue
Test for carbonates - answerFirst add dilute hydrochloric acid
If carbonate ions (CO3 2-) are present carbon dioxide will be released and will turn
limewater cloudy
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 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 julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.91. You're not tied to anything after your purchase.