CHEMISTRY 21/O/N/22

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

1/7

flashcard set

Earn XP

Description and Tags

Chemistry

IGCSE Chemistry

Last updated 6:57 AM on 8/4/23
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai
Chat

No analytics yet

Send a link to your students to track their progress

8 Terms

1
New cards
features of poatassium bromide
it has high melting point and dissolves in water
2
New cards
Ethanoic acid reacts with water to produce acidic solution. What are the roles of the reactants
Ethanoic acid: proton doner

Water: proton acceptor
3
New cards
when aq ammonia and dilute sulfuric acid reacts tgt, aq ammonium is made. How is solid ammonium sulfate obtained from the resulting solution
crystallisation
4
New cards
At which stage of making sufur into sufuric acid is a catalyst used
stage B

(sulfur dioxide -air→ sulfur trioxide
5
New cards
What element has an oxide that is used as a food preservative
sulfur
6
New cards
what substance gives off carbon dioxide on heating
limestone
7
New cards
Copper(II) nitrate and zinc carbonate are heated strongly in seperate test tubes. What gases are produced
copper(II)nitrate: oxygen and nitrogen dioxide

zinc carbonate: carbon dioxide
8
New cards
What fuel is a gas at room temp and makes two products when it is burned in a plentiful supply of air
methane