Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and _____________ is sulphur dioxide gas. When sulphur dioxide is dissolved in_________________, sulphurous acid is formed. The sulphurous acid turns _____________ litmus paper to ____________. Generally oxides of __________ are acidic in nature.
After completing the paragraph write two questions which you can raise on the basis of this information.