QA gas test

0.0(0)
Studied by 1 person
call kaiCall Kai
Locked
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/5

flashcard set

Earn XP

Description and Tags

Chemistry

Organic Chemistry

A-Level Chemistry

Last updated 9:32 AM on 1/25/24
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

6 Terms

1
New cards

H2

litmus : no effect

gas extinguishes a lighted splint with pop sound

2
New cards

O2

litmus : no effect

gas rekindles glowing splint

3
New cards

CO2 (acidic)

litmus : moist blue → red

gas produce white ppt : bubbled into limewater

4
New cards

Cl2 (acidic)

greenish-yellow

pungent smell

litmus : moist blue → red, bleach

5
New cards

NH3 (alkaline)

colourless

pungent

litmus : moist red → blue

6
New cards

SO2 (acidic)

colourless

pungent smell

litmus : moist blue → red

soak filter paper in potassium manganate (VII)

purple → colourless