GCSE / O Levels Chemistry

Sulfur dioxide is a gas that is prepared by heating sodium sulfite with hydrochloric acid. It is an
acidic gas. Sulfur dioxide is more dense than air.
Which set of apparatus is suitable for preparing and collecting a dry sample of sulfur dioxide?
A
B
sodium.
sodium
sulfite
sulfite
+
hydrochloric
acid
hydrochloric
acid
calcium
concentrated
oxide
sulfuric
heat
heat
acid
sodium.
sodium
sulfite
sulfite
hydrochloric
acid
hydrochloric
acid
concentrated
concentrated
sulfuric
sulfuric
heat
heat
acid
acid
D


Experimental Design | 2019 - O/N - 5070/11 | Q5