A substance X burns in the presence of oxygen to form a compound Y. Aqueous solution of Y turns blue litmus red. The substance X is:
A
Magnesium
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Sulphur
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is B Sulphur When sulphur reacts with oxygen sulphur dioxide gas is produced. This gas combines with water to form sulphurous acid.
Due to its acidic character sulphurous acid turns blue litmus red.